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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. "
Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ... - Σελίδα 94
των Nathan Daboll - 1835 - 240 σελίδες
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The Mercantile Arithmetic: Adapted to the Commerece of the United States, in ...

Michael Walsh - 1838 - 346 σελίδες
...requires less, and less 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...

Complete Schoolmaster's Assistant: Being a Plain Comprehensive System of ...

Nathan Daboll - 1839 - 220 σελίδες
...are required. 1. State the question, and reduce tne terms the same as in the Rule of Three Direct. 2. Multiply the first and second terms together, and...quotient will be the answer in the same denomination that the middle term was reduced to. EXAMPLES. 1. If 10 men can dig a ditch in 18 days, how many men...

The Western Calculator, Or, A New and Compendious System of Practical ...

Joseph Stockton - 1839 - 218 σελίδες
...Having stated the question, as in the rule of three direct, proceed according to the following RULE. Multiply the first and second terms together, and...the product by the third ; the quotient will be the u.iswer, in the same name as the second. EXAMPLE. 1. If 20 men can build n wall in 12 days, how long...

Practical and Mental Arithmetic ...

Roswell Chamberlain Smith - 1839 - 308 σελίδες
...How much will $1250 gain .'-75. Ratio, Щ. How much will $2000 gain ?-120. Ratio, 20. A. $372,30. 41. If 12 men can build a wall in 20 days, how many can do the same in 5 days ? A. 48 men. Ratio, 4. 42. If GO men can build a wall in 4 days, how many...

Welch's Improved American Arithmetic: Adapted to the Currency of the United ...

1841 - 200 σελίδες
...which is of the same name, the first term; and the other remaining number must be tho middle term; (G) multiply the first and second terms together, and...product by the third; the quotient will be the answer required.* (iuestians. — 1. What do&i Inverse Proportion teach? — 2. When is the AB $7-15 5 CD...

Ruger's Arithmetick, with Questions and Answers: A New System of Arithmetick ...

William Ruger - 1841 - 268 σελίδες
...RULE.— State the questions, and reduce the terms, the same as in the tytlc 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...

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

Nathan Daboll - 1843 - 254 σελίδες
...required. RULE. 1. State the question, and reduce tne terms the same as in the Rule of Three Direct. 2. Multiply the first and second terms together, and...quotient will be the answer in the same denomination that the middle term was reduced to. EXAMPLES. 1. If 10 men can dig a ditch in 18 days, how many irieii...

The Tutor's Assistant, Or Comic Figures of Arithmetic

Alfred Crowquill - 1843 - 156 σελίδες
...term is less than the first, and requires the fourth term to be greater than the second. RULE. — Multiply the first and second terms together, and...divide the product by the third ; the quotient will bear such proportion to the second, as the first does to the third. EXAMPLES. If 8 men do a piece of...

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

Nathan Daboll - 1843 - 260 σελίδες
...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 a wall in 20 days, hew many men...

The practical arithmetic

John Darby (teacher of mathematics.) - 1843 - 236 σελίδες
...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...




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