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If 8 men can do a piece of work in 5 days, in how many days would they do a piece of work 4 times as large ? 22.
The American Primary School Arithmetic: Designed for the Use of Pupils in ... - Σελίδα 61
των James Robinson (Jr.) - 1851 - 96 σελίδες
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## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1826 - 172 σελίδες
...1 20. If 6 men can do a piece of work in 9 days, in how many (days would 2 men do it ? 31. If 8 men can do a piece of work in 5 days, in how many days would they do a piece of work 4 times as large ? 22. If 7 men can do a piece of work in 3 days, how...

## The North American Arithmetic: Uniting Oral and Written Exercises, in ...

Frederick Emerson - 1834 - 216 σελίδες
...drink a barrel of cider in 20 days, in what time will 9 men drink the same quantity ? 24. If 9 men can do a piece of work in 5 ,days, in how many days will 7 men do the same work ? 25. A farmer kept his sheep in four pastures — In the first pasture...

## Every Man His Own Teacher: Being an Introduction to Arithmetic, Whereby ...

John Preston - 1834 - 297 σελίδες
...yi't the method of stating alfords a direct operation, and will hold good in al! lleases. . EXAMPLE 3. If 6 men can do a piece of work in 5 days, how many men can do the same in 15 days ? Answer, 2 men. In this example we perceive, that the answer...

## North American Arithmetic: Part Second and Part Third, Μέρος 2

Frederick Emerson - 1846 - 216 σελίδες
...drink a barrel of cider in 20 days, in what time will 9 men drink the same quantity ? 24. If 9 men can do a piece of work in 5 days, in how many days will 7 men do the same work ? 25. A farmer kept his sheep in four pastures — In the first pasture...

## Intellectural Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - 1847 - 160 σελίδες
..., 20. If 6 men can do a piece of work in 9 days, in how many days would 2 men do it?' 21. If 8 men can do a piece of work in 5 days, in how many days would they do a piece of work 4 times as large ? 22. If 7 men can do a piece of work in 3 days, how...

## An Elemtary Arithmetic ...: Serving as an Introduction to the Higher ...

George Roberts Perkins - 1849 - 347 σελίδες
...taken from a board 15 inches wide to make a square foot ? Ans. 9f inches. 34. If 8 men can mow a field in 5 days, in how many days can 5 men do the same ? Ans. 8 days. 35. If 2/1 yards of cloth cost \$60, how many yards can I buy for \$100 ? Ans. 45£ yards....

## An Elementary Arithmetic Serving as an Introduction to the Higher Arithmetic

George Roberts Perkins - 1850 - 347 σελίδες
...taken from a board 15 inches wide to make a square foot ? Ans. 9-f inches. 34. If 8 men can mow a field in 5 days, in how many days can 5 men do the same ? Ans. 8 days. 35. If 27i yards of cloth cost \$60, how many yards can I buy for \$100 ? Ans. 45f yards....

## Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - 1849 - 160 σελίδες
...? 20. If 6 men can do a piece of work in 9 days, in how many days would 2 men do it ? 21. If 8 men can do a piece of work in 5 days, in how many days would they do a piece of work 4 times as large ? 22. If 7 men can do a piece of work in 3 days, how...

## An Elementary Arithmetic Designed for Academies and Schools: Also Serving as ...

George Roberts Perkins - 1851 - 347 σελίδες
...taken from a board 15 inches wide to make a square foot ? Ans. 9-^ inches. 34. If 8 men can mow a field in 5 days, in how many days can 5 men do the same ? Ans. 8 days. 35. If 271 yards of cloth cost \$60, how many yards can I buy fcr \$100? . Ans. 45£ yards....

## An Elementary Arithmetic Designed for Academies and Schools: Also Serving as ...

George Roberts Perkins - 1855 - 347 σελίδες
...taken from a board 15 inches wide to make a square foot ? Ans. 9f inches. 34. If 8 men can mow a field in 5 days, in how many days can 5 men do the same ? Ans. 8 days. 35. If 27£ yards of cloth cost \$60, how many yards can I buy fcr \$ 100? Ans. 45f yards....