| James William Nicholson - 1885 - 348 páginas
...60 days, 20 men can do it in fa of 60 days, which is 3 days — Ans. 18. If 9 men can do a work in 8 days, how long will it take 6 men to do the same work ? 19. If 6 men can do a work in 10 days, how many men will it take to do the same work in 15 days... | |
| William James Milne - 1897 - 194 páginas
...trees are there in the orchard, if there are 70 peach trees ? 84. If 9 men can do a piece of work in 6J days, how long will it take 6 men to do the same work ? 85. My horse cost 3^ times as much as my sleigh, and together they cost $360. What was the cost... | |
| Middlesex Alfred Bailey - 1897 - 332 páginas
...difference between | and f of my age is 5 years, how old am I ? 281. If 7 men can do a piece of work in Щ days, how long will it take 6 men to do the same work ? 282. If I give 18| bushels of potatoes at 60 cents a bushel for cloth at 221 cents a yard, how... | |
| Frank J. Browne - 1902 - 186 páginas
...cents each. How many quarts of nuts could he buy with his money, at 6 cents a quart? 13. If 3 men do a piece of work in 10 days, how long will it take 6 men to do it? 14. A father is 42 years of age, which is 3 years more than 3 times his son's age. How old is the... | |
| Harry Brooks - 1923 - 358 páginas
...long and 1" square on the end? 5. If 5 men can mow and deliver in a barn the hay from a field in 12 days, how long will it take 6 men to do the same ? 6. If a train goes a mile in 90 seconds, how long will it take to go 9 miles at same rate? 7. A note... | |
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