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d._n 4._o the_o general_n effect_v of_o the_o rule_n of_o 3_o inverse_n be_v contain_v in_o the_o definition_n of_o the_o same_o that_o be_v to_o find_v a_o four_o term_n in_o a_o reciprocal_a proportion_n invert_v to_o the_o proportion_n give_v the_o second_o effect_n be_v by_o two_o prize_n or_o value_v of_o two_o several_a piece_n of_o money_n or_o merchandise_n know_v to_o find_v how_o many_o piece_n of_o the_o one_o price_n be_v to_o be_v give_v for_o so_o many_o of_o the_o other_o and_o consequent_o to_o reduce_v or_o exchange_v one_o sort_n of_o money_n or_o merchandise_n into_o another_o or_o contrariwise_o to_o find_v the_o price_n unknown_a of_o any_o piece_n give_v to_o exchange_n in_o reciprocal_a proportion_n the_o three_o effect_n be_v by_o two_o differ_a prize_n of_o a_o measure_n of_o wheat_n buy_v or_o sell_v and_o the_o weight_n of_o the_o loaf_n of_o bread_n make_v answerable_a to_o one_o of_o the_o prize_n of_o the_o measure_n give_v to_o find_v out_o the_o weight_n 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as_o in_o the_o margin_n and_o the_o work_n be_v finish_v and_o i_o find_v the_o sum_n of_o the_o say_a number_n to_o amount_v to_o 132_o l._n 02_o oz._n 09_o p.w._n 22_o gr_n this_o be_v sufficient_a for_o the_o understanding_n of_o the_o follow_a example_n or_o any_o other_o that_o shall_v come_v to_o thy_o view_n the_o way_n of_o prove_v these_o or_o any_o sum_n in_o this_o rule_n be_v show_v immediate_o after_o the_o ensue_a example_n addition_n of_o english_a money_n l._n s._n d._n qr_n l._n s._n d._n qr_n 436_o 13_o 07_o 1_o 48_o 15_o 11_o 1_o 184_o 09_o 10_o 3_o 76_o 10_o 07_o 3_o 768_o 17_o 04_o 2_o 18_o 00_o 05_o 3_o 564_o 11_o 11_o 0_o 24_o 19_o 09_o 2_o 1954_o 12_o 09_o 2_o 168_o 06_o 10_o 1_o addition_n of_o troy_n weight_n l._n owned_a p.w._n gr_n l._n owned_a p.w._n gr_n 15_o 07_o 13_o 12_o 145_o 09_o 12_o 18_o 18_o 06_o 04_o 20_o 726_o 08_o 14_o 10_o 11_o 10_o 16_o 18_o 380_o 07_o 06_o 13_o 09_o 04_o 10_o 22_o 83_o 10_o 16_o 20_o 19_o 11_o 18_o 04_o 130_o 00_o 10_o 12_o 22_o 00_o 00_o 00_o 74_o 07_o 15_o 00_o 97_o 05_o 04_o 04_o 1541_o 08_o 16_o 01_o addition_n of_o apothecary_n weight_n l._n owned_a d_o scr_n gr_n l._n owned_a d_o scru_fw-la gr_n 48_o 07_o 1_o 0_o 14_o 60_o 03_o 4_o 0_o 10_o 74_o 05_o 5_o 2_o 10_o 48_o 10_o 6_o 0_o 14_o 64_o 10_o 7_o 1_o 16_o 34_o 08_o 2_o 1_o 15_o 17_o 08_o 1_o 0_o 11_o 18_o 11_o 2_o 2_o 11_o 34_o 09_o 6_o 1_o 09_o 160_o 07_o 1_o 2_o 15_o  _fw-fr  _fw-fr  _fw-fr  _fw-fr  _fw-fr 35_o 02_o 5_o 1_o 07_o 240_o 05_o 6_o 1_o 00_o 358_o 07_o 7_o 0_o 12_o addition_n of_o averdupois_n weight_n tun_n c._n qr_n l._n i._o owned_a d_o 75_o 13_o 1_o 15_o 36_o 10_o 12_o 48_o 07_o 3_o 21_o 22_o 11_o 13_o 60_o 11_o 1_o 17_o 11_o 07_o 04_o 21_o 07_o 0_o 25_o 15_o 04_o 10_o 12_o 16_o 0_o 11_o 20_o 00_o 09_o 218_o 16_o 0_o 05_o 106_o 03_o 00_o addition_n of_o liquid_a measure_n tun_n pipe_v hhd_v gall_n tun_n hhd_v gall_n pt_n 45_o 1_o 1_o 48_o 30_o 3_o 40_o 4_o 15_o 0_o 1_o 17_o 12_o 0_o 28_o 6_o 38_o 0_o 0_o 47_o 47_o 5_o 60_o 5_o 12_o 1_o 0_o 56_o 57_o 3_o 22_o 3_o 21_o 1_o 1_o 18_o 17_o 0_o 00_o 0_o 133_o 1_o 1_o 60_o 166_o 1_o 26_o 2_o addition_n of_o dry_a measure_n chald._n qr_n bush_n pec_fw-la qr_n bush_n pec_fw-la gall_n 48_o 3_o 7_o 3_o 17_o 3_o 1_o 1_o 13_o 1_o 4_o 0_o 50_o 1_o 3_o 0_o 54_o 0_o 6_o 2_o 14_o 5_o 3_o 1_o 16_o 3_o 6_o 1_o 40_o 2_o 0_o 1_o 40_o 1_o 0_o 1_o 30_o 0_o 3_o 0_o 173_o 3_o 0_o 3_o 152_o 5_o 3_o 1_o addition_n of_o long_a measure_n yds_n qr_n na_fw-fr else_o qr_n na_fw-fr 35_o 3_o 3_o 56_o 1_o 3_o 14_o 1_o 2_o 13_o 3_o 2_o 74_o 2_o 3_o 48_o 2_o 1_o 48_o 0_o 1_o 50_o 1_o 0_o 30_o 1_o 0_o 74_o 0_o 2_o 15_o 0_o 0_o 17_o 1_o 0_o 218_o 1_o 1_o 260_o 2_o 0_o addition_n of_o land_n measure_n acre_n rood_n per._n acr._n rood_v perch_n 12_o 3_o 18_o 86_o 1_o 36_o 14_o 0_o 24_o 47_o 3_o 24_o 30_o 2_o 19_o 73_o 2_o 18_o 48_o 3_o 30_o 60_o 0_o 07_o 28_o 1_o 38_o 04_o 2_o 08_o 50_o 3_o 26_o 14_o 1_o 14_o 185_o 3_o 35_o 286_o 3_o 27_o the_o proof_n of_o addition_n 6._o addition_n be_v prove_v after_o this_o manner_n when_o you_o have_v find_v out_o the_o sum_n of_o the_o number_n give_v then_o separate_v the_o uppermost_a line_n from_o the_o rest_n with_o a_o stroke_n or_o dash_v of_o the_o pen_n and_o then_o add_v they_o all_o up_o again_o as_o you_o do_v before_o leave_v out_o the_o uppermost_a line_n and_o have_v so_o do_v add_v this_o new_a invent_a sum_n to_o the_o uppermost_a line_n you_o separate_v and_o if_o the_o sum_n of_o those_o two_o line_n be_v equal_a to_o the_o sum_n first_o sound_n out_o than_o the_o work_n be_v perform_v true_a otherwise_o not_o as_o for_o example_n let_v we_o prove_v the_o first_o example_n of_o addition_n of_o money_n who_o sum_n we_o find_v to_o be_v 265_o l._n 9_o s._n 5_o d._n 2_o qr_n and_o which_o we_o prove_v thus_o have_v separate_v the_o l._n s._n d._n qt_n 136_o 13_o 04_o 2_o 79_o 07_o 10_o 3_o 33_o 18_o 09_o 1_o 15_o 09_o 05_o 0_o 265_o 09_o 05_o 2_o 128_o 16_o 01_o 0_o 265_o 09_o 05_o 2_o uppermost_a number_n from_o the_o 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between_o the_o birth_n of_o each_o other_o and_o in_o the_o 44_o year_n of_o my_o age_n my_o elder_a son_n be_v bear_v which_o be_v now_o the_o age_n of_o my_o young_a i_o demand_v what_o be_v the_o old_a man_n age_n now_o to_o resolve_v this_o question_n first_o set_v down_o the_o father_n age_n at_o the_o birth_n of_o his_o first_o child_n which_o be_v 44_o than_o the_o difference_n between_o the_o elder_a and_o the_o young_a which_o be_v 12_o year_n and_o then_o the_o age_n of_o the_o young_a which_o be_v 44_o and_o then_o add_v they_o all_o together_o and_o their_o sum_n be_v 100_o the_o complete_a age_n of_o the_o father_n quest._n 2._o a_o man_n lend_v his_o friend_n at_o several_a tâ—mes_n these_o several_a sum_n viz._n at_o one_o time_n 63_o l._n at_o another_o time_n 50_o l._n at_o another_o time_n 48_o l._n at_o another_o time_n 156_o l._n now_o i_o desire_v to_o know_v how_o much_o be_v lend_v he_o in_o all_o set_a the_o sum_n lend_v one_o under_o another_o as_o you_o see_v 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difference_n be_v 14_o i_o desire_v to_o know_v what_o be_v the_o great_a number_n and_o also_o what_o be_v the_o sum_n of_o they_o both_o first_o set_v down_o the_o least_o viz._n 40_o and_o 14_o the_o difference_n and_o add_v they_o together_o and_o their_o sum_n be_v 54_o for_o the_o great_a number_n than_o i_o set_v 40_o the_o least_o under_o 54_o the_o great_a and_o add_v they_o together_o and_o their_o sum_n be_v 94_o equal_a to_o the_o great_a and_o least_o number_n chap._n v._o of_o subtraction_n of_o whole_a number_n 1._o subtraction_n be_v the_o take_n of_o a_o lesser_a number_n out_o of_o a_o great_a of_o like_a kind_n whereby_o to_o find_v out_o a_o three_o number_n be_v or_o declare_v the_o inequality_n excess_n or_o difference_n between_o the_o number_n give_v or_o subtraction_n be_v that_o by_o which_o one_o number_n be_v take_v out_o of_o another_o number_n give_v to_o the_o end_n that_o the_o residue_n or_o remainder_n may_v be_v know_v which_o remainder_n be_v also_o call_v the_o rest_n or_o difference_n of_o the_o number_n give_v 2._o the_o number_n out_o of_o which_o subtraction_n be_v to_o be_v make_v must_v be_v great_a or_o at_o least_o equal_a with_o the_o other_o number_n
give_v the_o high_a or_o superior_a number_n be_v call_v the_o major_a number_n and_o the_o low_a or_o inferior_a be_v call_v the_o minor_a number_n and_o the_o operation_n of_o subtraction_n be_v finish_v the_o rest_n or_o remainder_n be_v call_v the_o difference_n of_o the_o number_n give_v 3._o in_o subtraction_n place_n the_o number_n give_v respective_o the_o one_o under_o the_o other_o in_o such_o sort_n as_o like_a degree_n place_n or_o denomination_n may_v stand_v in_o the_o same_o series_n viz._n unit_v under_o unit_n ten_o under_o ten_o etc._n etc._n pound_n under_o pound_n etc._n etc._n foot_n under_o foot_n and_o part_n under_o part_n etc._n etc._n this_o be_v do_v draw_v a_o line_n underneath_o as_o in_o addition_n 4._o have_v place_v the_o number_n give_v as_o be_v before_o direct_v and_o draw_v a_o line_n under_o they_o subtract_v the_o low_a number_n which_o in_o this_o case_n must_v always_o be_v lesser_a than_o the_o uppermost_a out_o of_o the_o high_a number_n and_o subscribe_v the_o difference_n or_o remainder_n respective_o below_o the_o line_n and_o when_o the_o work_n be_v finish_v the_o number_n below_o the_o line_n will_v give_v you_o the_o remainder_n as_o for_o example_n let_v 364521_o be_v give_v to_o be_v subtract_v from_o 795836_o i_o set_v the_o lesser_a under_o the_o great_a as_o in_o the_o margin_n and_o draw_v a_o line_n under_o they_o then_o begin_v at_o the_o right_a hand_n i_o say_v 1_o out_o of_o 6_o and_o there_o remain_v 5_o which_o i_o set_v in_o order_n under_o the_o line_n then_o i_o proceed_v to_o the_o next_o say_v 2_o from_o 3_o rest_n 1_o which_o i_o note_v also_o under_o the_o line_n and_o thus_o i_o go_v on_o until_o i_o have_v finish_v the_o work_n and_o then_o i_o find_v the_o remainder_n or_o difference_n to_o be_v 431315._o 5._o but_o if_o it_o so_o happen_v as_o common_o it_o do_v that_o the_o lowermost_a number_n or_o figure_n be_v great_a than_o the_o uppermost_a then_o in_o this_o case_n add_v ten_o to_o the_o uppermost_a number_n and_o subtract_v the_o say_v lowermost_a number_n from_o their_o sum_n and_o the_o remainder_n place_n under_o the_o line_n and_o when_o you_o go_v to_o the_o next_o figure_n below_o pay_v a_o unit_fw-la by_o add_v it_o thereto_o for_o the_o 10_o you_o borrow_v before_o and_o subtract_v that_o from_o the_o high_a number_n or_o figure_n and_o thus_o go_v on_o until_o your_o subtraction_n be_v finish_v as_o for_o example_n let_v 437503_o be_v give_v from_o whence_o it_o be_v require_v to_o subtract_v 153827_o i_o dispose_v of_o the_o number_n as_o be_v before_o direct_v and_o as_o you_o see_v in_o the_o margin_n then_o i_o begin_v say_v 7_o from_o 3_o i_o can_v but_o add_v 10_o thereto_o i_o say_v 7_o from_o 13_o and_o there_o remain_v 6_o which_o i_o set_v under_o the_o line_n in_o order_n then_o i_o proceed_v to_o the_o next_o figure_n say_v 1_o that_o i_o borrow_v and_o 2_o be_v 3_o from_o 0_o i_o can_v but_o 3_o from_o 10_o and_o there_o remain_v 7_o which_o i_o likewise_o set_v down_o as_o before_o then_o one_o that_o i_o borrow_v and_o eight_o be_v nine_o from_o five_o i_o can_v but_o nine_o from_o fifteen_o and_o there_o remain_v six_o then_o one_o i_o borrow_v and_o three_o be_v four_o from_o seven_o and_o there_o remain_v three_o then_o five_o from_o three_o i_o can_v but_o five_o from_o thirteen_o and_o there_o remain_v eight_o then_o one_o i_o borrow_v and_o one_o be_v two_o from_o four_o and_o there_o rest_v two_o and_o thus_o the_o work_n be_v finish_v and_o after_o these_o number_n be_v subtract_v one_o from_o another_o the_o inequality_n remainder_n excess_n or_o difference_n be_v find_v to_o be_v 283676._o example_n for_o thy_o further_a experience_n may_v be_v these_o that_o follow_v from_o 3475016_o from_o 3615746_o take_v 738642_o take_v 5864_o rest_n 2736374_o rest_n 3609882_o 6._o if_o the_o sum_n or_o number_n to_o be_v subtract_v be_v of_o several_a denomination_n place_v the_o lesser_a sum_n below_o the_o great_a and_o in_o the_o same_o rank_a and_o order_n as_o be_v show_v in_o addition_n of_o the_o same_o number_n then_o begin_v at_o the_o right_a hand_n and_o take_v the_o low_a number_n out_o of_o the_o uppermost_a if_o it_o be_v lesser_a but_o if_o it_o be_v big_a than_o the_o uppermost_a then_o borrow_v a_o unit_fw-la from_o the_o next_o great_a denomination_n and_o turn_v it_o into_o the_o part_n of_o the_o lesser_a denomination_n and_o add_v those_o part_n to_o the_o uppermost_a number_n and_o from_o their_o sum_n subtract_v the_o lowermost_a note_v the_o remainder_n below_o the_o line_n then_o proceed_v and_o pay_v 1_o to_o the_o next_o denomination_n for_o that_o which_o you_o borrow_v before_o and_o proceed_v in_o this_o order_n until_o the_o work_n be_v finishâ—ed_v a_o example_n of_o this_o rule_n may_v be_v thiâ—_n that_o follow_v let_v 375_o l._n 13_o s._n 07_o d._n 1_o qr_n be_v give_v from_o whence_o let_v it_o be_v require_v to_o subtract_v 57_o l._n 16_o s._n 03_o d._n 2_o qr_n in_o order_n whereunto_o i_o place_v the_o number_n as_o you_o see_v iâ—_n the_o margin_n and_o thus_o i_o begin_v at_o the_o leasâ—_n denomination_n say_v l._n s._n d._n qrâ—_n 375_o 13_o 07_o 1_o 57_o 16_o 03_o 2_o 317_o 17_o 03_o â—3_n two_o from_o one_o i_o can_v therefore_o i_o borrow_v one_o penny_n from_o the_o next_o denomination_n and_o turn_v it_o into_o farthing_n which_o be_v four_o and_o add_v four_o 〈◊〉_d one_o which_o be_v five_o i_o say_v but_o two_o from_o fiuâ—_o and_o there_o remain_v three_o which_o i_o put_v undâ—â—_n the_o line_n then_o go_v on_o i_o say_v one_o that_o i_o borrow_v and_o three_o be_v four_o from_o 7_o and_o there_o rest_v three_o then_o go_v on_o i_o say_v sixteen_o from_o thirteen_o i_o can_v but_o borrow_v one_o pound_n and_o turn_v it_o into_o twenty_o shilling_n i_o add_v it_o to_o thirteen_o and_o that_o be_v thirty_o three_o wherefore_o i_o say_v sixteen_o from_o thirty_o three_o and_o there_o remain_v seventeen_o which_o i_o set_v under_o the_o line_n and_o go_v on_o say_v one_o that_o i_o borrow_v and_o seven_o be_v eight_o from_o five_o i_o can_v but_o eight_o from_o fifteen_o and_o there_o remain_v seven_o then_o one_o that_o i_o borrow_v and_o five_o be_v six_o from_o seven_o there_o rest_v one_o and_o nothing_o from_o three_o rest_n three_o and_o the_o work_n be_v do_v and_o i_o find_v the_o remainder_n or_o difference_n to_o be_v 317_o l._n 17_o s._n 03_o d._n 3_o qr_n another_o example_n of_o troy_n weight_n may_v be_v this_o i_o will_v subtract_v 17_o l._n 10_o oz._n 11_o p.w._n 20_o gr_n from_o 24_o l._n 05_o oz._n 00_o p.w._n 08_o gr_n i_o place_v the_o number_n according_a to_o rule_n and_o begin_v say_v twenty_o l._n oz._n p.w._n gr_n 24_o 05_o 00_o 08_o 17_o 10_o 11_o 20_o 06_o 06_o 08_o 12_o from_o eight_o i_o can_v but_o borrow_v one_o penny_n weight_n which_o be_v twenty_o four_o grain_n and_o add_v they_o to_o eight_o and_o they_o be_v thirty_o two_o wherefore_o i_o say_v twenty_o from_o thirty_o two_o rest_n twelve_o then_o one_o that_o i_o borrow_v and_o eleven_o be_v twelve_o from_o 00_o i_o can_v but_o twelve_o from_o twenty_o borrow_v a_o ounce_n which_o be_v twenty_o penny_n weight_n and_o there_o remain_v eight_o then_o one_o that_o i_o borrow_v and_o ten_o be_v eleven_o from_o five_o i_o can_v but_o eleven_o from_o seventeen_o and_o there_o rest_v six_o then_o one_o that_o i_o borrow_v and_o seven_o be_v eight_o from_o four_o i_o can_v but_o eight_o from_o fourteen_o and_o there_o rest_v six_o then_o one_o that_o i_o borrow_v and_o one_o be_v two_o from_o two_o and_o there_o rest_v nothing_o so_o that_o i_o find_v the_o remainder_n or_o difference_n to_o be_v 6_o l._n 6_o oz._n 8_o p.w._n 12_o gr_n 7._o it_o many_o time_n happen_v that_o you_o have_v many_o sum_n or_o number_n to_o be_v subtract_v from_o one_o number_n as_o suppose_v a_o man_n shall_v lend_v his_o friend_n a_o certain_a sum_n of_o money_n and_o his_o friend_n have_v pay_v he_o part_v of_o his_o debt_n at_o several_a time_n then_o before_o you_o can_v convenient_o know_v what_o be_v still_o owe_v you_o be_v to_o add_v the_o several_a number_n or_o sum_n of_o payment_n together_o and_o subtract_v their_o sum_n from_o the_o whole_a debt_n and_o the_o remainder_n be_v the_o sum_n due_a to_o the_o creditor_n as_o suppose_v a_o dare_v to_o b_o 564_o l._n 13_o s._n 10_o d._n and_o b_o have_v repay_v he_o 79_o l._n 16_o s._n 08_o d._n at_o one_o time_n and_o 163_o l._n 18_o s._n 11_o d._n at_o another_o time_n and_o 241_o l._n 15_o s._n 08_o d._n at_o another_o time_n and_o you_o will_v know_v how_o the_o account_n