 | Moffatt and Paige - 1879 - 248 σελίδες
...soldiers consume 5 barrels of flour in 12 days, how many soldiers will consume 15 barrels in 2 days ? (n) If 20 men can perform a piece of work in 12 days, how many men will perform another piece of work three times as great in a fifth part of the time ? (12) If the 4</. loaf weigh... | |
 | Jacob Rau Spiegel - 1879 - 310 σελίδες
...difference 3, and the number of terms 21. What is the least term, and what the sum of the series ? 385. If 20 men can perform a piece of work in 12 days, how many men will accomplish another piece 3 times as large in \ part of the time ? 386. A person employed 4 workmen,... | |
 | Robert Johnston (F.R.G.S.) - 1879 - 320 σελίδες
...at 6i/. per yard; also the cost of carpeting it with carpet 5 quarters wide at 2s. 4l¿ per yard. 6. If 20 men can perform a piece of work in 12 days, how many will perform another piece of work 6 times as great in one-tenth of the time? 7. If 3 men mow 20 acres... | |
 | Henry Bartlett Maglathlin - 1880 - 370 σελίδες
...puts in 12 cattle, B puts in 10, C 30, D 48, and they pay in proportion. What does each pay? 8. If 15 men can perform a piece of work in 12 days, how many men must be added to the number in order that the work may be completed in 9 days ? 9. A and B trade together... | |
 | George Ricks - 1881 - 288 σελίδες
...rent a field for £88 ; A puts in 25 cattle, B 31, C 17, and D 15 ; how much should each pay ? 34. If 20 men can perform a piece of work in 12 days, required the number of men who could perform another piece of work, 3 times as great, in one-fifth... | |
 | Alexander Kennedy Isbister - 1882 - 190 σελίδες
...cwt. are carried the distance of 50 miles for £5, how much will 40 cwt. cost if carried 40 miles? 6. If 20 men can perform a piece of work in 12 days, required the number of men who could perform another piece of work, 3 times as great, in f part of... | |
 | New York (State). Department of Public Instruction - 1887 - 268 σελίδες
...Orleans is 89° 2' West ; when it is 9 am at New Orleans, what is the time at Washington ? 8. If 40 men can perform a piece of work in 12 days, how many men will perform another piece of work three times as large in one-fif Ih of the time ? (Solve by proportion.) 9. A... | |
 | Charles Scott Venable - 1888 - 402 σελίδες
...hours each, how long will it take 3 women to do twice the same work, counting 10 hours to the day ? 8. If 20 men can perform a piece of work in 12 days, how many men will it require to perform another piece of work, 3 times as great, in ^ of the time ? 9. If 8 men can dig... | |
 | William James Milne - 1892 - 440 σελίδες
...wide in 10 days. How long will it take 5 workmen to dig a ditch 45 rd. long and 4 ft. wide ? 4. If 18 men can perform a piece of work in 12 days, how many men could perform another piece of work 4 times as great in ^ of the time ? 5. If the freight charges on... | |
 | Henry B. Maglathlin - 1894 - 370 σελίδες
...$8: — : : 18: 32. 6. Show by an example what is meant by ratio of one quantity to another. 8. If 15 men can perform a piece of work in 12 days, how many men must be added to the number in order that the work may be completed in 9 days ? 9. A and B trade together;... | |
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If 20 men can perform a piece of work in 12 days, how many men will accomplish three times as much in one-fifth of the time ? Ans. 
