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" If 9 men can do a piece of work in 8 days, how many men can do the same in 12 days? "
Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ... - Page 78
by Warren Colburn - 1828 - 160 pages
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The Sure Guide to Written Arithmetic: Designed for Beginners, and Summer ...

Peirpont Edward Bates Botham - Arithmetic - 1836 - 104 pages
...2. If 2 men in 3 days will earn 14 dollars : how much will 7 men earn in the same time ? 3. If 5 men can do a piece of work in 8 days : how many men must be employed to perform the whole in 1 day? 4. If 4 tuns of hay will keep 2 cattle over the winter...
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Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - Arithmetic - 1854 - 368 pages
...20 men can do a piece of work in 12 days, in what time may 30 men do the same work ? 04. If 30 men can do a piece of work in 8 days, how many men could do the same piece of work in 12 days? PART II. WRITTEN ARITHMETIC. INTRODUCTION. ADDRESSED TO...
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Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - Arithmetic - 1854 - 356 pages
...the weight of sugar, at 6 cents a pound, may be purchased for 4 dollars and 20 cents ? 64. If 30 men can do a piece of work in 8 days, how many men could do the same piece of work in 12 days ? 65. When 20 men can do a piece of work in 12 days, in...
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Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Mental arithmetic - 1863 - 186 pages
...47 gallons of water, in I hour, run into a cistern containing 108 gallons, and by a pipe 38 galons run out in an hour, how much remains in the cistern...? and in how many hours will the cistern be filled ? 21. It' 8 men can do a piece of work in 5 days, ii) how many days would they do a piece of work 4...
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The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - Arithmetic - 1866 - 200 pages
...flour, how many bushels will be required to buy 3 barrels ? 5 barrels ? 7 barrels ? 9 barrels ? 13. If 4 men can do a piece of work in 8 days, how many days will it take one man to do it ? 14. If 7 men can build a wall in 3 days, how long will it take...
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An Intellectual Arithmetic, Upon the Inductive Method: With an Introduction ...

James Stewart Eaton - Arithmetic - 1868 - 190 pages
...men can do a certain piece of work in 6 ddys, in how many days can 4 men do the same ? 13. If 9 men can do a piece of work in 8 days, how many men can do the same in 12 days? 14. If 4 men can do a piece of work in 6 days, in how many days can 3 men...
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An Intermediate Arithmetic: Uniting Mental and Written Exercises in a ...

Emerson Elbridge White - Arithmetic - 1873 - 260 pages
...the lot? 8. If one man can build a wall in 36 days, how many men can build it in 4 days ? 9. If 6 men can do a piece of work in 8 days, how many men can do it in 12 days? 10. Two steamers start from the same port and sail in the same direction, one...
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Practical arithmetic for schools

Robert Miller (M.A., of Edinburgh.) - 1873 - 118 pages
...of | of the remainder for £3006J. What is the value of the whole at the same rate ? (48.) If 10 men can do a piece of work in 8 days, how many men could do a piece of work 4 times as great in J of the time ? (49.) If 27 men can reap a field in 15...
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The Model Mental Arithmetic: Containing Oral Exercises for Graded and ...

Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...? The ratio of 2 oranges to 8 oranges equals the ratio of 10 cents to how many cents ? 8. If 6 men do a piece of work in 8 days, how many men would be required to do it in 1 day ? In 4 days ? 9. If 2 yards of muslin are worth 25| cents, how much are...
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An Intermediate Arithmetic: Uniting Mental and Written Exercises in a ...

Emerson Elbridge White - Arithmetic - 1876 - 236 pages
...the lot? 8. If 1 man can build a wall in 36 daj's, how many men can build it in 4 days? 9. If 6 men can do a piece of work in 8 days, how many men can do it in 12 days? 10. Two vessels start from the same port and sail in the same direction, one...
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