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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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American Comprehensive Arithmetic

Middlesex Alfred Bailey - 1897 - 320 σελίδες
...jump ? 35. In jumping, A beats B by 2 feet. If B jumps 10 feet, how far does A jump ? 36. If 3 men can do a piece of work in 6 days, in how many days can 1 man do it ? 37. If 1 man can do a piece of work in 18 days, in how many days can 3 men do it ? 38....

Graded Lessons in Arithmetic: Book IV

Wilbur Fisk Nichols - 1897
...8/ a mile, what will it cost to ride 9 miles ? 2. What will 9 qt. of cherries cost, at 12/ a quart? 3. If 4 men can do a piece of work in 6 days, how long will it take 1 man to do it ? 4. How many quarts in 7 pk. 3 qt.? 6. How many pecks in 20 bu....

The Williams & Rogers Mental Arithmetic ...

James M. Cook - 1897
...require 5 men 8 days to build 20 rods of wall, how many men can in 2 days build \ as much wall? 6. If 4 men can do a piece of work in 6 days, in what time will it be completed if they receive the assistance of 5 men when the work is half done?...

A Mental Arithmetic

William James Milne - 1897 - 176 σελίδες
...? 14. A barrel of flour can be bought for $5|. What part of a barrel can be bought for $> 3-| ? 15. If 4 men can do a piece of work in 6 days, how long will it take 3 men to do it ? 16. If a man can do a piece of work in 16 days, working 10 hours...

Graded Lessons in Arithmetic: Book VII

Wilbur Fisk Nichols - 1898
...how much will he earn in 9 mo. ? 4. What will 6 tons of coal cost, if 9 tons cost $54. C. If 12 men can do a piece of work in 6 days, in how many days can 8 men do it ? 6. If 60 bu. of wheat make 12 bbl. of flour, how many barrels of flour will 90 bu. of wheat make...

Graded Lessons in Arithmetic: Book V

Wilbur Fisk Nichols - 1898
...men can do a piece of work in 8 days, how many men will it take to do the same work in 4 days ? 6. If 4 men -can do a piece of work in 6 days, in how many days will they do a piece of work 4 times as large ? 7. If the wages for 10 weeks is $50, how much is that...

Mathematics for Common Schools, Μέρος 2

John Henry Walsh - 1899
...If the interest of $1 is 6^ a year, what is the interest of three dollars for two years? 2. If 8 men can do a piece of work in 6 days, in how many days can 4 men do it? 3. If 4 boxes of raisins cost $7, what will 12 boxes cost? 5. A boy had 50 peaches and...

School Arithmetic: Primary Book

John Marvin Colaw, John Kelley Ellwood - 1900 - 271 σελίδες
...must I pay for 2 pounds? 5. If J of a pound of cheese costs 5 cents, how much will 2 pounds cost? 6. If 4 men can do a piece of work in 6 days, how many days will it take 3 men to do it? If it takes 4 men 6 days to do the work, it will take 1...

Complete Graded Arithmetic: Third Grade

George Edward Atwood - 1901 - 132 σελίδες
...worth 22 cents, how much is half a yard worth ? 3. 5 feet are — inches. 12 yards are — feet. 4. If 4 men can do a piece of work in 6 days, in how many days can 3 men do it ? 2 men ? 5. At 4 cents apiece, how many oranges cost $4.32? 6. In how many days can 4...

Complete Graded Arithmetic: Third Grade

George Edward Atwood - 1901 - 132 σελίδες
...worth 22 cents, how much is half a yard worth ? 3. 5 feet are — inches. 12 yards are — feet. 4. If 4 men can do a piece of work in 6 days, in how many days can 3 men do it ? 2 men ? 5. At 4 cents apiece, how many oranges cost $4.32? 6. In how many days can 4...




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