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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 ... - Σελίδα 74
των Warren Colburn - 1849 - 160 σελίδες
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The Sure Guide to Written Arithmetic: Designed for Beginners, and Summer ...

Peirpont Edward Bates Botham - 1836 - 104 σελίδες
...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...

Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - 1854 - 356 σελίδες
...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...

Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - 1854 - 368 σελίδες
...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...

The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - 1866 - 200 σελίδες
...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...

An Intellectual Arithmetic, Upon the Inductive Method: With an Introduction ...

James Stewart Eaton - 1868 - 190 σελίδες
...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...

An Intermediate Arithmetic: Uniting Mental and Written Exercises in a ...

Emerson Elbridge White - 1873 - 260 σελίδες
...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...

Practical arithmetic for schools

Robert Miller (M.A., of Edinburgh.) - 1873 - 118 σελίδες
...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...

An Intermediate Arithmetic: Uniting Mental and Written Exercises in a ...

Emerson Elbridge White - 1876 - 236 σελίδες
...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...

The Model Mental Arithmetic: Containing Oral Exercises for Graded and ...

Edgar Arthur Singer - 1876 - 198 σελίδες
...? 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...

Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - 1877 - 160 σελίδες
...If it takes 4 men 8 days to do a piece of work, it will take 1 man. 4 times 8 days, or 32 days. 2. If 4 men can do a piece of work in 8 days, how many men will it take to do it in 1 day ? 3. If 5 men can reap a field in 7 days, how long will it take 1 man...




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