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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 78
των Warren Colburn - 1828 - 160 σελίδες
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The Sure Guide to Written Arithmetic: Designed for Beginners, and Summer ...

Peirpont Edward Bates Botham - 1836 - 98 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 - 348 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...

ANDREWS' SERIES OF LATIN SCHOOL BOOKS

CROCKER & BREWSTER - 1854
...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...

Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - 1863 - 176 σελίδες
...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...

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

Horatio Nelson Robinson - 1866 - 192 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

James Stewart Eaton - 1868 - 176 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 - 221 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
...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...

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

Edgar Arthur Singer - 1876 - 184 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...

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

Emerson Elbridge White - 1876 - 225 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...




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