 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1869 - 350 pages
...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 20 days ? Ans. 9 men. 3. If 72 cents is paid for 6 hours' washing, how much... | |
 | Emerson Elbridge White - Arithmetic - 1870 - 350 pages
...45 cords of wood in 6 days, how many cords can 8 men cut in 15 days? 79. If 4 men dig a trench in 15 days of 10 hours each, in how many days of 8 hours each can 5 men perform the same work? 80. A and B are partners in business ; A's capital is equal to f of... | |
 | George Augustus Walton, Electa N. L. Walton - Arithmetic - 1871 - 348 pages
...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 20 days ? Ans. 9 men. 3. If 72 cents is paid for 6 hours' washing, how much... | |
 | Vermont - 1872 - 592 pages
...$157.25? 6. When gold sells at $1.124, what Is a 5-dollar Greenback worth in gold? 7. If 6 men perform a piece of work in 12 days of 10 hours each, in how many days of 8 hours each will 9 men perform the same labor? Solve by proportion. 8. Extract the square root of 730.6209, and... | |
 | George Augustus Walton - Arithmetic - 1873 - 348 pages
...EXAMPLES. 1. If 5 men can do a piece of work in 6 days, in how many days can 7 men do it ? Arts. 4$ d. 2. If 15 men can do a piece of work in 12 days, how many men can do it in 20 days 1 Ans. 9 men. 3. If 72 cents is paid for 6 hours' washing, how much... | |
 | Henry Major - 1876 - 784 pages
...2|d. each shawl. 3. If 18 men can dig a trench 200 yards long, 3 yards wide, and 2 yards deep, in 6 days of 10 hours each, in how many days of 8 hours each will 10 men dig a trench 100 yards long, 4 yards wide, and 3 yards deep ? 4. Nine men find a nugget... | |
 | James Hamblin Smith, Thomas Kirkland - Arithmetic - 1877 - 376 pages
...Alj the end of 75 days his wages amount to $69.15 ; how many days was lie idle ? *• (18) If 24 men can do a piece of work in 12 days of 10 hours each, bow many men can do three times as much in 10 days of 8 hours each ? (19) If .3 of an estate is worth... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1877 - 348 pages
...EXAMPLES. 1. If 5 men can do a piece of work in 6 days, in how many days can 7 men do it ? Ans. 4$ d. 2. If 15 men can do a piece of work in 12 days, how many men can do it in 20 days ? Ans. 9 men. 3. If 72 cents is paid for 6 hours' washing, how much... | |
 | Samuel Mecutchen - Arithmetic - 1880 - 288 pages
...John bought pears at 1£ cents apiece, and twice as many at !-$- cents each, and sold them all at 1^ cents each, How many pears did he buy, if his profit...the former ? 230. What is the inverse ratio of 7| to \ ? 231. Raise .002 to the fourth power, and find its square root. 232. How many feet of boards will... | |
 | Samuel Mecutchen - Arithmetic - 1880 - 270 pages
...228. John bought pears at 1^ cents apiece, and twice as many at \\ cents each, and sold them all at If cents each, How many pears did he buy, if his profit...than the former? 230. What is the inverse ratio of 7-J- to £ ? 231. Eaise .002 to the fourth power, and find its square root. 232. How many feet of boards... | |
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If 15 men can do a piece of work in 12£ days of 10 hours each, in how many days of 8 hours each could 50 men do 3^ times as much work, the latter work being 25% easier than the former? 
