 | William Grier - Mechanical engineering - 1832 - 366 pages
...require ; after which, employ the rule given above, to find the answer. 58. As, for example, 40 men will do a piece of work in 15 days, in how many days will 20 men do the same? Here the answer must be days ; consequently, 1 5 goes in the third term, and... | |
 | William Grier - Mechanical engineering - 1836 - 384 pages
...require ; after which, employ the rule given above, to find the answer. 58. As, for example, 40 men will do a piece of work in 15 days, in how many days will 20 men do the same? Here the answer must be days ; consequently, 15 goes in the third term, and... | |
 | William Grier - Mechanical engineering - 1842 - 320 pages
...require ; after which, employ the rule given above to find the answer. 58. As, for example, 40 men will do a piece of work in 15 days, in how many days will 20 men do the same? Here the answer must be days ; consequently, 15 goes in the third term, and... | |
 | Robert Rawson - 1855 - 198 pages
...cent per annum ? (19) What will be the interest of 1008/. at 4J per cent per ann. ? Section 6. (20) If 6 men can do a piece of work in 15 days, how many men will do it in 45 days ? (21) If 7 horses can plough a field in 5 days, in how many days... | |
 | Charles Davies - Arithmetic - 1858 - 174 pages
...piece of cloth containing 12| yards, for which he paid 38 dollars : what did it cost him a yard? 35. If 6 men can do a piece of work in 15| days, how long will it take 1 man to do it? 2 men? * 3 men ? SECTION SEVENTH. LESSON I. Comparison of Numbers.... | |
 | Charles Davies - Arithmetic - 1859 - 186 pages
...cow, and sell her for % more than she cost, how much more do vow receive for her than you gave? 35. If 6 men can do a piece of work in 15| days. how long will it take 1 man to do it? 2 men? 3 men ? S.ECTION SEVENTH. LESSON I. Comparison of Numbers.... | |
 | Edward Liddell (writer on arithmetic.) - 1860 - 160 pages
...11 men earn £37 2s. 6d. in 3 weeks, how much can they earn in 13 weeks ? 15. If 12 men can finish a piece of work in 15 days, in how many days can 18 men finish it ? 16. If 12 men can finish a piece of work in 15 days, working 9 hours a.day ; how... | |
 | William Grier - Mechanical engineering - 1861 - 316 pages
...require ; after which, employ the rule given above to find the answer. 58. As, for example, 40 men will do a piece of work in 15 days, in how many days will 20 men do the same? Here the answer must be days ; consequently, 15 goes in the third term, and... | |
 | James Stewart Eaton - Arithmetic - 1870 - 188 pages
...times 8 ? 6 ? 9 ? 22. If 4 horses eat 8 tons of hay in 6 months, how many horses will eat 8 tons in 1 2 months ? 23. If 5 horses eat 10 tons of hay in 6 months,...barrels of flour, at 6 dollars a barrel ? 28. How many 8,s in 16 ? In 48 ? In 72 ? 29. How many 7,s in 35 ? 63 ? 49 ? 28 ? 30. How many 9,s in 36 ? 54? 27?... | |
 | Joseph Ray - 1856 - 400 pages
...whole, by selling 2 pieces for $240: how many yards were there in each piece? A/is. 18. 13. If 18 men can do a piece of work in 15 days, in how many days will one man do it? SOLUTION. — It will require 1 man 18 times as long as 18 men. Eighteen times... | |
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If 6 men can do a piece of work in 15 days, in how many days can 10 men do the same? 
