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" If 8 men can do a piece of work in 12 days, how long will it take... "
Complete Arithmetic, Parts 2 and #3 - Página 134
por George E. Mercer - 1909 - 294 páginas
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Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic ...

Roswell Chamberlain Smith - 1830 - 286 páginas
...per cent. ; what is it for 2 years ? For 3 ? For 5 ? For 7 ? Fo.- 9 ? For 12 ? For 20 ? 10. If 6 men can do a piece of work in 12 days, how long will it take 1 man to do the same ? (1 man will be, G times as lonfе as 6.) How long will it take 2 men ? (2 men...
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Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1831 - 288 páginas
...per cent. ; what is it. for 2 years ? For 3 ? For 5 ? For 7 ? For!)? For 12? For 20 ? Hi. If G men can do a piece of work in 12 days, how long will it tak« 1 man to do the same ? (1 man mill, he 6 times as IVHI/ as 6.) How long will it take 2 men ?...
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Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1832 - 296 páginas
...per cent. ; what is it for 2 years ? For 3 ? For 5 ? For 7 ? For 9 ? For 12 ? For 20 ? 16. If 6 men can do a piece of work in 12 days, how long will it takn 1 man to do the same ? (1 man will be 6 times аз long as 6.) How long will it take 2 men ? (2...
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The Sure Guide to Written Arithmetic: Designed for Beginners, and Summer ...

Peirpont Edward Bates Botham - 1836 - 104 páginas
...PROMISCUOUS EXAMPLES IN ANALYSIS. JJ- Let the follow ing sums be stated in the same manner as the preceding. 1. If 3 men can do a piece of work in 12 days : in how many days will 4 men do the same work ? 2. If 2 men in 3 days will earn 14 dollars : how much...
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Practical and Mental Arithmetic ...

Roswell Chamberlain Smith - 1839 - 308 páginas
...at 6 per cent ; whatis it for 2 years ? For 3 ? For 5 ? For 7 ? For 9? For 12? For 20? 16. If 6 men can do a piece of work in 12 days, how long will it take 1 man to do me same ? (1 man will be six times as long as 6.) How long will it take 2 men ? (2 men...
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Practical and Mental Arithmetic on a New Plan

Roswell Chamberlain Smith - 1852 - 298 páginas
...at 6 r cent. ; what is it for 2 years ? For 3 ? For 5 ? For 7 ? or 9? Fnr 12? For 20? lo. If 6 men can do a piece of work in 12 days, how long will il take 1 man to do the same : (1 man will he six times as long as 6.) How long will it take 2 men...
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The Ohio Journal of Education, Volumen5

1856 - 396 páginas
...If 3 men can do a piece of work in 12 days, how long will it take 4 men to do the same ? SOLUTION. If 3 men can do a piece of work in 12 days, 1 man can do it in £ of 12 days, which is 4 days, and 4 men will do it in 4 time? 4 days, which are...
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The Ohio Journal of Education, Volumen5

1856 - 394 páginas
...If 3 men can do a piece of work in I'l days, how long will it take 4 men to do the same ? SOLUTION. If 3 men can do a piece of work in 12 days, 1 man can do it in ^ of 12 days, which is 4 days, and 4 men will do it in 4 times 4 days, which are...
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A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual ...

Benjamin Greenleaf - 1858 - 186 páginas
...39. What will 11 dozen of eggs cost, at 10 cents a dozen ? At 11 cents ? At 12 cents ? 40. If 12 men can do a piece of work in 12 days, how long will it take one man ? LESSON XII. 1. Pour times three are how many ? 2. Three times two are how many ? 3. Seven...
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The Progressive Intellectual Arithmetic, on the Inductive Plan: Being a ...

Horatio Nelson Robinson - 1859 - 208 páginas
...cents ? 26. At the rate of 16 miles in 4 hours, how many miles would a man travel in 12 hours ? 27. If 3 men can do a piece of work in 12 days, how many days will it take 9 men to do the same ? ANALYSIS. If 3 men can do the work in 12 days, 1 man...
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