| George Roberts Perkins - 1851 - 356 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working 8 hours each day ? Ans. 500 men. 11. In how many days, working 9 hours a day, will 24 men...yards wide, and 3 yards deep, if 248 men, working 11 hours a day, in 5 days, dig a trench 230 yards long, 3 yards wide, and 2 yards deep ? Ans. 288-Jyy... | |
| Frederick Emerson - 1851 - 294 σελίδες
...almonds for 79 chestnuts, and 198 chestnuts for 2^ ceatsfoow jpany pears can I buy for 1.35 ? \\ S\ 57. In how many days, working 9 hours a day, will >24 men dig a trenprTJ^liyards^long, 5 yards wide, and 3 yards deep; if<24S, irifiiLNyarking 11 hours a day, in 5... | |
| George Roberts Perkins - 1855 - 388 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working 8 hours each day 1 Ans. 500 men. 1 1. In how many days, working 9 hours a day, will 24 men...yards wide, and 3 yards deep, if 248 men, working 11 hours a day, in 5 days, dig a trench 230 yards long, 3 yards wide, and 2 yards deep? Ans. 2S8-=ftV... | |
| James Watson - 1855 - 152 σελίδες
...18 inches thick round a square of 225 feet each side ? 38. If 248 men in 5 days of 11 hours each can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days of 9 hours each will 24 men dig a trench 5 yards wide and 3 deep round a rectangular... | |
| Walter McLeod - 1863 - 154 σελίδες
...can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days of 9 hours each, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep. Solution. A. 5 days of 11 hrs. = 55 hrs. 230 yds. X 3 yds. X 2 yds. = 1380 cub. yds. 420 yds. X 5 yds.... | |
| George Roberts Perkins - 1865 - 360 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working 8 hours each day ? Ans. 500 men. 1 1. In how many days, working 9 hours a day, will 24 men...trench 230 yards long, 3 yards wide, and 2 yards deep ? Ans. 238-Jyy days. 12. Suppose that 50 men, by working 5 hours each day can dig, in 54 days, 24 cellars,... | |
| George Roberts Perkins - 1869 - 358 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working ? hours each day ? Ans. 500 men. 1 1. In how many days, working 9 hours a day, will 24 men...deep, if 248 men, working 1 1 hours a day, in 5 days, diq; * trench 230 yards long, 3 yards wide, and 2 yards deep? Ans. 2S8-r?yy days. 12. Suppose that... | |
| George Lund Dunnett - 1884 - 128 σελίδες
...can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days, of 9 hours long, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep. Ans. 278-ff days. If 5 men can perform a piece of work in 12 days, of 10 hours each, how many men will... | |
| Gustavus Sylvester Kimball - 1911 - 444 σελίδες
...readily understood from an example or two. Example 1. In how many days, working 9 hours a day, will 20 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep, if 240 men, working 1 1 hours a day, in 5 days dug a trench 220 yards long, 3 yards wide, and 2 yards... | |
| Otis William Caldwell, Stuart Appleton Courtis - 1923 - 428 σελίδες
...trench 420 yards long, 6 yards wide, and 3 yards deep ? Since 248 men, in 5 days, of 1 1 hours each, can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, 24 men, working in days of the same length, would dig a trench of the same dimensions in W of 5 days,... | |
| |