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" If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. "
Mental Arithmetic Upon the Inductive Plan: Designed for Primary and ... - Página 69
por Benjamin Greenleaf - 1861 - 144 páginas
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1810 - 190 páginas
...r.iany men will it take to do it in one Jay ? Ans. 3360. г. If 1 Я men can do n piece of work in 90 days, how long will it take one man to do the same 1 7. What sum of money mtbl be divided between 27 men, so that each mnu may receive 115 dollars ? 8....
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Temple's Arithmetick: A Concise Introduction to Practical Arithmetick: in ...

Samuel Temple - 1827 - 116 páginas
...EXAMPLES. 1. If 6 men do a piece of ' work in 18 days, in what time •will 12 men do it ? 2. If 12 men do a piece, of work in 9 days, how long will it take 6 men to do the same work? mdamdm As 6 : 18 : : 152 As 12 : 9 : : 6 6 • 12 12)108(9 days. Ans. 6)108(18...
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The Youth's Assistant in Theoretic and Practical Arithmetic, : Designed for ...

Zadock Thompson - 1828 - 238 páginas
...one half of the work in 3 days, and the other half in 3 days more, or ths whole 6 days. 21. One man can do a piece of work in 9 days, how long will it take 3 men to do it ? A. Nine days 33. In 54 how many times 2 ? 3 ? 4 ? 6 ? 9 ? 18 ? 27 ? 34. A person hought...
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1828 - 286 páginas
...that, the factors of which are 4, 7, 6, and 20 ? Ans. 3360. 6. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. What sum of money must be divided between 27 men, so that each man may receive 115 dollars? 8....
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1828 - 266 páginas
...that, the factors of which are 4, 7, 6, and 20 ? Ans. 3360. 6. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. What sum of money must be divided between 27 men, so that each man may receive 115 dollars? 8....
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The Practical Arithmetic: In which the Principles of Operating by Numbers ...

1829 - 196 páginas
...whole cost? Ans. there 'were 364 yards, and it cost S2184. 15. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same 1 Ans. 1620 days. 16. If the use of 8100, for one year, be 86, what will be the use for 2 years •}...
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1830 - 294 páginas
...that, the factors of which are 4, 7, 6, and 20? Ans. 3360. 6. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. What sum of money must be divided between 27 men, so that each man may receive 115 dollars? 8....
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Adams's New Arithmetic

Daniel Adams - 1830 - 280 páginas
...that, the factors of which are 4, 7, 6, and 20 ? Ans: 3360. 6. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. What sum of money must be divided between 27 men, so that each man may receive 115 dollars? 8....
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Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic ...

Roswell Chamberlain Smith - 1830 - 286 páginas
...gallons of molasses cost' at 46 cents a gallon' A. 19596 cts. 5. If 363 men can do a piece of work in 137 days, how long will it take one man to do the same ? A. 49731 days. cents will he receive at that rate for 17 days ? For 29 days ? A. 11776 cents. For...
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Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1837 - 274 páginas
...that, the factors of which are 4, 7, 6, and 20 ? Am. 3360. 6. If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7. What sum of money must be divided between 27 men, so that each man may receive 115 dollars? 8....
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