 | James Stewart Eaton - 1878 - 180 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... | |
 | Benjamin Greenleaf - 1879 - 238 σελίδες
...$44 ? What is Analysis? 10. When $8 will buy 40 rakes, how many can be bought for $11? 11. 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. — If 12 men can do the work in 6 days, it will take 1 man 12 times... | |
 | William Frothingham Bradbury - 1879 - 392 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... | |
 | Henry Bartlett Maglathlin - 1881 - 200 σελίδες
...can be bought for $ 44 ? 8. When $ 8 will buy 40 rakes, how many can be bought for $11 ? 9. 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. — If 12 men can do a piece of work in 6 days, it will take 1 man... | |
 | Joseph Ray - 1881 - 174 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... | |
 | Henry Bartlett Maglathlin - 1882 - 212 σελίδες
...16. Sarah took music lessons for a year at $16.50 per quarter. What did they cost her? 17. If 12 men can do a piece of work in 6 days, how many days will it take 9 men to do it ? 18. If 7 men can build a wall in 8 days, how many days will 14 men require ? 19. If... | |
 | William James Milne - 1882 - 224 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? 11.... | |
 | Henry Bartlett Maglathlin - 1893 - 234 σελίδες
...can be bought for $44? 10. When $8 will buy 40 rakes, how many can be bought for $11? 11. 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. —If 12 men can do the work in 6 days, it will take 1 man 12 times... | |
 | George Albert Wentworth - 1893 - 242 σελίδες
...cord will cost J of $ 9, or $ 3 ; and 4 cords will cost 4 x $ 3, or $ 12. If 4 men can mow a field in 6 days, how many days will it take 3 men to mow the field ? Analysis. If it takes 4 men 6 days to mow a field, it will take 1 man 4x6 days, or... | |
 | Albert Newton Raub - 1894 - 170 σελίδες
...each, and takes in exchange coffee worth 30 cents a pound ; how many pounds of coffee does he get ? 19. If 4 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,... | |
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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. 
