 | Nicolas Pike - Algebra - 1808 - 470 pages
...travels. 18. If 15 men can perform a piece of work in 1 1 days, how many men will accomplish another piece of work, four times as large in a fifth part of the time ? work. men. works, men. time men. time. men. As 1 : 15 :: 4 : 60 As -{- : 4,ft :: ± : 300 Ans. 19.'... | |
 | Phinehas Merrill - Arithmetic - 1819 - 116 pages
...Of qrs. 9. If 30 men can perform a piece of work in 1 1 days, how many men will accomplish another piece of work four times as large, in a fifth part of the time ? Ans- 600 men. 10. What musí be the length to contain an acre of land, when the breadth is IS rods... | |
 | Roswell Chamberlain Smith - Arithmetic - 1830 - 286 pages
...27-^ sec. 56. If 10 men can perform a piece of work in 25 days, how many men will accomplish another piece of work, four times as large, in a fifth part of the time ? A. 200. 57. A can do a piece of work in 8 days, and B in 12 ; in what time would both finish it by... | |
 | Francis Walkingame - 1832 - 224 pages
...cost ? 12.- If 30 men can perform a piece of work in 11 days, how many men will accomplish another piece of work four times as large, in a fifth part of the time ? 13. A wall that is to be built to the height of 27 feet, was raised 9 feet by 12 men in 6 days ;... | |
 | Roswell Chamberlain Smith - 1837 - 306 pages
...spc. 56. If 10 men can perform a piece of work in 2", days, how many men will accomplish another pieee of work, four times as large, in a fifth part of the time ? A. 200. 57. A can do a piece oi, work in 8 days, and B in IS ; in what time would both liuish it... | |
 | Roswell Chamberlain Smith - 1839 - 308 pages
...27-j3r sec56. If 10 men can perform a piece of work in 25 days, how many men will accomplish another piece of work, four times as large, in a fifth part of the time ? Л. 200. 57. A can do a piece of work in 8 days, and B in 12 ; in what time would both finish it... | |
 | Charles Waterhouse - Arithmetic - 1842 - 178 pages
..." " " j 17. If 15 men can perform a piece of work in 11 days, how many men will accomplish another piece of work, four times as large, in a fifth part of the time ? * First, as 1:15: :4:60 men; then, as 1:60: :5:300 men, Ans. 18. A, B, and C can complete a stair-case... | |
 | John Bonnycastle - 1851 - 314 pages
...Ans. 36. (66.) If 30 men can perform a piece of work in 1 1 days, how many will accomplish another piece of work four times as large in a fifth part of the time ? Ans. 600. Compound Croportfon* COMPOUND PROPORTION is the method of resolving, at one operation,... | |
 | David Henry Cruttenden - Arithmetic - 1853 - 330 pages
...137. A certain piece of work was performed by 30 men in 20 days ; how many men would it require to do a piece of work four times as large, in a fifth part of the time ? Ans. 600 men. • 138. If <£378 buy 12^ hogsheads of wine, how much will 1 pint cost? Ans. 1.2s.... | |
 | Cambridge univ, exam. papers - 1856 - 200 pages
...can perform a piece of work in 12 days, how many men will perform a piece of work half as large again in a fifth part of the time, if they work the same number of hours a day; supposing that 2 of the second set can do as much work in an hour as 3 of the first set ? 13.... | |
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If 5 men can perform a piece of work in 12 days of 10 hours each, how many men will perform a piece of work four times as large in a fifth part of the time, if they work the same number of hours in the day... 
