 | Nathan Daboll - 1813 - 244 σελίδες
...persons 5 months, how much will be sufficient for 4 perlons IM months? Ans. 24 bushels. 8. If 30 men perform a piece of work in 20 days ; how many men will accomplish another piece of work 4 times as large in a fifth part of the time ? 60 : 20 : : I 4 : :... | |
 | Nathan Daboll - 1818 - 246 σελίδες
...persons 5 months, how much will be sufficient for 4 persons 12 months ? Ans. 24 bushels. 8. If 3(J men perform a piece of work in 20 days ; how many men will accomplish another piece of work 4 times as large in a fifth part of the time ? S0 : 20 : : 1 4 : :... | |
 | Etienne Bézout - 1824 - 238 σελίδες
...days, how many bushels will serve 60 horses 36 days, at the same rate ? Ans. 60 bushels. 6. If 30 men perform a piece of work in 20 days, how many men will execute another piece, 4 times as large, in a fifth part of the time? Ans. 600 men. 7. What principal... | |
 | Nathan Daboll - 1825 - 248 σελίδες
...persons 5 month*, how much will be sufficient for 4 persons 12 months ? Ans. 24 bushels. 8. If 30 men perform a piece of work in 20 days ; how many men will accompli-h another piece of work 4 times as large in a fifth part of the time f П0 : 20 : : 1 4 :... | |
 | James L. Connolly (mathematician.) - 1829 - 266 σελίδες
...200 Ibs. for 40 miles, how far may 20200 Ibs. be carried for 60 dolls. 60 cts.? Ans. 48 miles. 6. If 30 men can perform a piece of work in 20 days. how many men will accomplish another piece of work, four times as large, in a fourth of the time? Ans. 480 men. 7. If... | |
 | William Kinne - 1829 - 246 σελίδες
...hours long, will 24 men dig a trench 420 yards long, 5 wide and 3 deep ? Aus 288^*^ days. 11. 1f 30 men perform a piece of work in 20 days, how many men will effect another piece of work, 4 times as large, in a fifth part of the time ? Ans. 600 men. 12. What... | |
 | Ira Wanzer - 1831 - 408 σελίδες
...20 : 200 ' .. 1t. . ^ A Height, ft. 6 : 8 f " 1O " *"' Ans, Thickness, ft. 4 : OJ 13. Suppose 30 men perform a piece of work in 20 days ; how many men will accomplish another piece of work 4 times as large, in a fourth part of the time ? I of 20 days=5 days.... | |
 | William Kinne - 1831 - 248 σελίδες
...hoars long, will 21 men dig a trench 420 yards long, 5 wide and 3 deep ? Ans. 288^W days. 11. If 30 men perform a piece of work in 20 days, how many men will effect another piece of work, 4 times as large, in a fifth part of the time 1 Arts, 600 men. CONJOINED... | |
 | Samuel Read Hall - 1832 - 294 σελίδες
...persons 5 months, how much will be sufficient for 4 persons 12 months ? Ans. 24 bushels. 19. If 30 men perform a piece of work in 20 days ; how many men will accomplish another piece of work 4 times as large, in a fifth part of the time ? Ans. 600. 20. What... | |
 | Catharine Esther Beecher - 1833 - 296 σελίδες
...ship has sailed 24 miles in 4 hours ; how long will it take her to sail 150 at the same rate ? 32. 30 men can perform a piece of work in 20 days ; how...men will it take to perform the same work in 8 days ? 33. 17 men can perform a piece of work in 25 days ; in how many days would 5 men perform the same... | |
| |
... 30 men can perform a piece of work in 20 days ; how many men will it take to perform the same work in 8 days ? 162. 
