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If 4 men can do a piece of work in 7 days, how long will it take one man to do it 1 LESSON XIV.
Designed for the use of classes in the second, third, and fourth years of ... - Page 51
by Alfred Kirk, A. R. Sabin - 1894

## Letters to the Hon. William Prescott, LL.D., on the Free Schools of New ...

James Gordon Carter - Public schools - 1824 - 123 pages
...one week, they will consume 15 times as much, or 4y, equal to 4 barrels, in 15 weeks. X2. If 3 men do a piece of work' in 7 days, how long will it take 5 men to do the same work ? Analysis. If 3 men do the work in 7 days, it will take one man three times...

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Mental arithmetic - 1826 - 172 pages
...10 pounds cost ? 14. If 4 firkins of butter cost 26 dollars, what will 7 firkins cost ? 15. If 3 men can do a piece of work in 7 days, how long will it take 1 man to do it ? How long would it take 4 men ? 16. If 2 cocks will empty a cistern in 3 hours, in...

## The Sure Guide to Written Arithmetic: Designed for Beginners, and Summer ...

Peirpont Edward Bates Botham - Arithmetic - 1836 - 98 pages
...firkins cost? О 45. If 6 sides of sole leather cost 30 dollars : what cost one side ? 46. If 3 men can do a piece of work in 7 days : how long will it take 1 man to do it ? о 47. To divide 54 dollars equally among 6 persons : what sum must be given to each...

## Intellectural Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - Mental arithmetic - 1847 - 160 pages
...10 pounds cost 1 14. If 4 firkins of butter cost 26 dollars, what will 7 firkins cost ? 15. If 3 men can do a piece of work in 7 days, how long will it take 1 man to do it ? How long would it take 4 men 1 16. If 2 cocks will empty a cistern in 3 hours, in...

## Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1849 - 160 pages
...10 pounds cost ? 14. If 4 firkins of butter cost 26 dollars, what will 7 firkins cost ? 15. If 3 men can do a piece of work in 7 days, how long will it take 1 man to do it? How long would it take 4 men ? 16. If 2 cocks will empty a cistern in 3 hours, in how...

## Mental Arithmetic Upon the Inductive Plan: Designed for Primary and ...

Benjamin Greenleaf - Arithmetic - 1852 - 144 pages
...days, how many men will it take to do" a piece of work 6 times as large in the same time ? 3. If 6 men can do a piece of work in 7 days, how long will it take 12 men to do a piece of work twice as large ? 4. A can mow a field in 5 days, and B can mow it in 6...

## Greenleaf's Primary Arithmetic

Benjamin Greenleaf - Mental arithmetic - 1854 - 144 pages
...days, how many men will it take to do a piece of work 6 times as large in the same time ? 3. If 6 men can do a piece of work in 7 days, how long will it take 12 men to do a piece of work twice as large ? 4. A can mow a field in 5 days, and B can mow it in 6...

## Mental Arithmetic Upon the Inductive Plan: Designed for Primary and ...

Benjamin Greenleaf - Mental arithmetic - 1857 - 144 pages
...days, how many men will it take to do a piece of work 6 times as large in the same time ? 3. If 6 men can do a piece of work in 7 days, how long will it take 12 men to do a piece of work twice as large ? 4. A can mow a field in 5 days, and B can mow it in 6...