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" If 7 men can do a piece of work in 4 days, in what time can it be done, if 3 of the men leave when the work is half completed? "
Designed for the use of classes in the second, third, and fourth years of ... - Page 31
by Alfred Kirk, A. R. Sabin - 1894
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The Tutor's Assistant, Or Comic Figures of Arithmetic

Alfred Crowquill - Arithmetic - 1843 - 128 pages
...purchased without more money ; hence it is more requires more, which is Direct Proportion. But, If 2 men do a piece of work in 4 days, in what time can 8 men do it? Ans. l day. As the 8 men will complete the work in less time than 2, it is more requires...
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Ray's New Intellectual Arithmetic

Joseph Ray - Mental arithmetic - 1877 - 140 pages
...it, if they receive the assistance of 3 additional men when the work is half completed ? 16. If 7 men can do a piece of work in 4 days, in what time can it be done, if 3 of the men leave when the work is half completed? 17. If the wages of 3 men for 5...
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The Williams & Rogers Mental Arithmetic ...

James M. Cook - 1897
...fox? Jfi. If 6 men can do a piece of work in 9 days, in how many days can 2 men do it? 49. If 9 men can do a piece of work in 4 days, in what time can 6 men do a piece of work twice as large? 50. If 8 sheep cost me $32, what will 11 sheep cost? 51. From...
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A Mental Arithmetic

William James Milne - Mental arithmetic - 1897 - 176 pages
...in 4 pecks? 15. At 9 cents a pound, what will be the cost of a fish weighing 3 pounds ? 16. If 5 men can do a piece of work in 4 days, in what time can one man do it ? 17. Multiply 3, 8, 7, 6, 5, 9, 8, 7, 6, 8, 2, 4, 5, 9, 6, 8, 3, 4, 10, 11, 12, by 2;...
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Graded School Arithmetic: An Elementary Text for Use in Public and ..., Book 1

Frank J. Browne - 1903 - 220 pages
...4 days. 38. If 8 men can do a piece of work in 10 days, in what time can 5 men do it? 39. If 7 men can do a piece of work in 4 days, in what time can 8 men do it? 40. If 2 men can do a piece of work in 15 days, in what time can 5 men do it? Find the...
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Ray's Modern Intellectual Arithmetic: A Revised Edition of Ray's ...

Joseph Ray - Arithmetic - 1905 - 144 pages
...it, if they receive the assistance of 3 additional men when the work is half completed ? 16. If 7 men can do a piece of work in 4 days, in what time can it be done, if 3 of the men" leave when the work is half completed ? 17. If 4 men can do a piece of...
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