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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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## Pike's System of Arithmetick Abridged: Designed to Facilitate the Study of ...

Nicolas Pike, Dudley Leavitt - 1826 - 200 σελίδες
...first has to the third. RULE. — State and reduce the terms as in the Rule of Three Direct ; then multiply the first and second terms together, and...third, the quotient will be the fourth term, or answer. EXAMPLES. 1. If 6 men can do a piece of work in 18 days, in what time can 12 men do it ? in. d. in....

## The Youth's Assistant in Theoretick and Practical Arithmetic

Zadock Thompson - 1826 - 164 σελίδες
...second that the first has to -the third. RULE. — State the questions in the rule of three direct. Multiply the first and second terms together, and...the product by the third, the quotient will be the answer. .« EXAMPLE. — How many yards of sarcenet 3qs. wide, will line 9 yards of cloth 8qrs. wide?...

## The Improved Arithmetic: Newly Arranged and Clearly Illustrated, Both ...

Daniel Parker - 1828 - 348 σελίδες
...required to obtain the answer. RULE. 1. State and reduce the terms 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 as the middle term was reduced to. If there is any remainder, multiply...

## Mercantile Arith

Michael Walsh - 1831
...requires less, and leas requires more. RULE. After stating the terms as in the Rule of Three Direct, multiply the first and second terms together, and divide the product by the third, and the quotient is the answer. EXAMPLES. 1. If 100 workmen complete a piece of work in 12 days, how...

## The Tutor's Assistant: Being a Compendium of Arithmetic and a Complete ...

Francis Walkingame - 1832 - 208 σελίδες
...the third Icrm is less than the first, and requires the fourth term to be greater than the second. 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. EXAMPLES. 1. If 8 men do a piece...

## A New System of Arithmetick: In which the Rules are Familiarly Demonstrated ...

William Ruger - 1832 - 263 σελίδες
...RULE. — State the questions, and reduce the terms, the same as in /he Rule of Three Direct; then multiply the first and second terms together, and divide the product by the third; and the quotient will be the ' answer, in a denomination of the same name, to which the second term...

## Every Man His Own Teacher: Being an Introduction to Arithmetic, Whereby ...

John Preston - 1834 - 297 σελίδες
...inverse. This is called more requires less. EXAMPLE. If 4 men harvest a field of wheat in 2 days, iri what time can 8 men do the same work ? Answer 1 day....answer. In this example the fourth term is as much less thair the second, as the third is greater than the first : For, 8 is twice the quantity of 4, but 1...

## The American Student's Guide: Containing a Compendious System of Theoretical ...

George Alfred - 1834 - 312 σελίδες
...of the stating (if necessary) precisely in the same manner as in the Single Rule of Three Direct. 2. Multiply the first and second terms together, and divide the product by the third term — the quotient thence arising will be the enI »wer, and of like name with the middle term or...

## Mathematics for Practical Men: Being a Common-place Book of ... Pure and ...

Olinthus Gregory - 1834 - 427 σελίδες
...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 Teachers' Assistant: Or, A System of Practical Arithmetic ...

1835 - 198 σελίδες
...shillings, what will 6 yards cost ? ydi. s. ydi. 2 : 4 : : 6 4 2)24 12 Answer. RULE FOR INVER8E 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...