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" If 12 men can do a piece of work in 6 days, how many days will it take 9 men to do the same ? SOLUTION. "
School Arithmetic: Primary Book - Σελίδα 198
των John Marvin Colaw, John Kelley Ellwood - 1900 - 271 σελίδες
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The Werner Mental Arithmetic

Albert Newton Raub - 1894 - 174 σελίδες
...men can do a piece of work in 6 days, how long will it take 12 men to do the same work? ANALYSIS. — If 4 men can do a piece of work in 6 days, it will take 1 man 4 times 6 days. or 24 days, to do the work, and 12 men will do it in -fj of 24 days,...

Bradbury's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1895 - 398 σελίδες
...same 1 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 тaлy days can 3 men do twice as much, work ? 15. A farmer sold 2 tons of hay at $ 20 a ton,...

The Rand-McNally Primary Arithmetic: Principles and Processes Derived by ...

Edwin Crawford Hewett - 1896 - 312 σελίδες
...badges, each -^ of a yard long, can be made from f of a yard of ribbon? 39. If 4 men can mow a field in 6 days, how many days will it take 3 men to mow it? In how many days can one man mow it? 40. If 4 men can dig a certain ditch in 6 days, how many...

Graded Lessons in Arithmetic: Book III

Wilbur Fisk Nichols - 1897 - 122 σελίδες
...a dollar and James has 2 dimes. How many cents can John spend and still have as much as James ? 16. If 4 men can do a piece of work in 6 days, how many days will it take 1 man? 1. Give the pupils a box 6 inches long, 4 inches wide, and 3 inches deep. Measure this box....

Graded Lessons in Arithmetic: Book IV

Wilbur Fisk Nichols - 1897 - 136 σελίδες
...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. 3...

A Mental Arithmetic

William James Milne - 1897 - 186 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...

The Williams & Rogers Mental Arithmetic ...

James M. Cook - 1897 - 216 σελίδες
...it 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?...

Graded Lessons in Arithmetic: Book V

Wilbur Fisk Nichols - 1898 - 148 σελίδες
...If 4 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,...

The Rand-McNally primary arithmetic

Edwin Crawford Hewett - 1899 - 280 σελίδες
...badges, each ^ of a yard long, can be made from | of a yard of ribbon ? 39. If 4 men can mow a field in 6 days, how many days will it take 3 men to mow it? In how many days can one man mow it? 40. If 4 men can dig a certain ditch in 6 days, how many...

Complete Graded Arithmetic: Third Grade

George Edward Atwood - 1901 - 152 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...




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