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" Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into. "
Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically ... - Σελίδα 253
των John Preston - 1817 - 520 σελίδες
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The practical arithmetic

John Darby (teacher of mathematics.) - 1843
...the question, as in Direct Proportion, and reduce the numbers or quantities as therein stated; then multiply the first and second terms together, and divide the product by the third, and the quotient will be the answer to the question in the same denomination the second term was left...

Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical ...

Nathan Daboll - 1843
...and reduce the terms as in the Rule of Three Direct. 2. Multiply the first and second terms togethrr, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into. EXAMPLES. 1. If 12 men can build...

The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the ...

1845 - 198 σελίδες
...shillings, what will 6 yards cost ? yds. s. yds. 2 -. 4 : : 6 4 2)24 12 Answer. RULE FOR INVERSE PROPORTION. Multiply the first and second terms together, and divide the product by ic third ; the quotient will be the answer in the same denomination as ic second, or that to which...

Daboll's Complete Schoolmaster's Assistant: Being a Plain Comprehensive ...

Nathan Daboll, David Austin Daboll - 1849 - 249 σελίδες
...required. ' RULE. 1. State the question, and reduce tnc terms the same as in the Rule of Three Direct. 2. Multiply the first and second terms together, and...the product by the third, the quotient will be the answer in the same . denomination that the middle term was reduced to. EXAMPLES. 1 . If 10 men can...

The Teacher's Assistant: Or, a System of Practical Arithmetic: Wherein the ...

1852 - 192 σελίδες
...shillings, what will 6 yards cost ? yds. «. yds. 2 : 4 : : 6 4 2)24 12 Answer. RULE FOR INVERSE PROPORTION. Multiply the first and second terms together, and...the product by the third ; the quotient will be the answer in the same denomination as the second, or that to which the second was reduced. EXAMPLE. If...

Walkingame's arithmetic [his Tutor's assistant] simplified and improved. [&c ...

Francis WALKINGAME - 1859
...useless ; but to gratify those who are partial to the distinction, a few Exercises Inverse are given. RULE. Multiply the first and second terms together,...divide the product by the third ; the quotient will bear such proportion to the second as the first does to the third. — Abreviations may be adopas in...

Mathematics for Practical Men: Being a Common-place Book of Principles ...

Olinthus Gregory - 1863
...the same.) For the Inverse Rule. State the question and reduce the terms in the direct rule : then multiply the first and second terms together and divide the product by the third, and the quotient will be the answer. Examples in the Direct Rule. 1. If 3 gallons of brandy cost 19*.,...

The Teacher's Assistant

1852
...shillings, what will 6 yards cost? yds. s. yds. 2* : 4 : : 6 4 2)24 12 Answer. RULE FOR INVERSE PROPORTION. Multiply the first and second terms together, and...divide the product by the third ; the quotient will be tiie answer in the same denomination as the second, or that to which the second was reduced. EXAMPLE....




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