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If 4 men can do a piece of work in 6 days, in how many days can 3 men do twice as much work ? 15.
The Youth's Assistant in Theoretic and Practical Arithmetic, : Designed for ... - Σελίδα 129
των Zadock Thompson - 1828 - 225 σελίδες
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## Intellectual Arithmetic

James Stewart Eaton - 1877
...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 do twice as much work? 15. A farmer sold 2 tons of hay at \$20 a ton, and for pay received 8 yards...

## The Practical Arithmetic on the Inductive Plan: Including Oral and Written ...

William James Milne - 1877 - 391 σελίδες
...do a piece of work in 45 days, how many days will it take 11 men to do the same work? 8. If 10 men can do a piece of work in 6 days, in how many days can 13 men do the same work? 9. How many men will it .require to build 60 rods of wall in the same time...

## The Illustrative Practical Arithmetic by a Natural Method: With Dictation ...

George Augustus Walton, Electa Nobles Lincoln Walton - 1877 - 336 σελίδες
...the pupils perform the following examples both by analysis and by proportion. EXAMPLES. 1. If 5 men can do a piece of work in 6 days, in how many days can 7 men do it ? Ans. 4\$ d. 2. If 15 men can do a piece of work in 12 days, how many men can do it in...

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

James Stewart Eaton - 1878 - 176 σελίδες
...o'clock, what is the length of the shadow cast, at the same time, by a pole 18 feet long ? I J. ,Jf24. If 4 men can do a piece of work in 6 days, in how many days can 3 men do the same ? Q 25. If 5 men can do a piece of work in 3 days, in how many days can they do a...

## Complete Intellectual Arithmetic: Adapted to Classes in Grammar Schools and ...

James Bates Thomson - 1878 - 168 σελίδες
...the rate of \$35 for 7 weeks ? 87. If 7 pounds of flour cost 63 cents, what will 31 pounds cost ? 88. If 4 men can do a piece of work in 6 days, how long will it take 8 men to do the same work ? SUGGESTION. — 8 men are twice as many as 4 men...

## Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1879 - 374 σελίδες
...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 do twice as much work ? 15. A farmer sold 2 tons of hay at \$20 a ton, and for pay received 8...

## Intellectual Arithmetic by Induction and Analysis ...

Joseph Ray - 1881 - 164 σελίδες
...it in (} days. 23. If 3 men can do a piece of work in 4 days, in how many days can 1 man do it ? 24. If 4 men can do a piece of work in 6 days, in how many days can 1 man do it? 25. If a quantity of bread serve 8 men 4 days, how many days will it serve 1 man ? 26....

## Report ...

1882
...sister, and spent the rest for oranges at 5 cents apiece : how rnanj' oranges did he get? 3. If 8 men can do a piece of work in 6 days' in how many days can 3 men do a piece J as large? 4. If James can earn \$5 while Thomas earns \$8, how many dollars will Thomas...

## An Elementary Arithmetic on the Inductive Plan: Including Oral and Written ...

William James Milne - 1882 - 205 σελίδες
...earn in 9 months? 8. If a man earns \$7 per week, and a boy \$3, how much will both earn in 7 weeks? 9. If 4 men can do a piece of work in 6 days, how long would it take 1 man to do it? 10. What will 8 quarts of berries cost at 10 cents per quart?...

## Number Lessons: A Book for Second and Third Year Pupils

Charles Edward White - 1891 - 201 σελίδες
...\$.75 ? 2. How many eggs in 6 dozen ? 3. What must I pay for 7 pencils at \$.04 each ? 4. If 3 girls can do a piece of work in 6 days, in how many days can one girl do it ? 5. If \$.15 is i of my money, how much money have I ? 6. How many months in 6 years...