 | Horatio Nelson Robinson - 1860 - 444 σελίδες
...ran out, but ? as much ran in at the same time ; what part of the cistern was emptied ? Ans. . 28. A can do a certain piece of work in 8 days, and B can do die same in 6 days ; in what time can both together do it ? Ans. 33 29. A merchant sold 5 barrels... | |
 | George Heppel - 1864 - 234 σελίδες
...those involving relative velocities, are given in the miscellaneous collection at the end of the book. If A can do a certain piece of work in 8 days, and B can do it in 5 days, how long would A and B take to do it together? A can do f of the work in a day,... | |
 | John Fair Stoddard - 1866 - 184 σελίδες
...consume ? 3. If it require 9 hours to empty a vessel, what part of it can be emptied in 1 hour ? 5. If it require 19 days to perform a certain journey,...and B. could do the same in 12 days; what part of it can each do in a day ? 7. If C. could mow a certain field in 4 days, and D. 'could do the same in 6... | |
 | T. A. Bryce - 1873 - 370 σελίδες
...than A, finds himself $25 in debt at the end of 5 years; what did B spend each year ? Ans. $425. t2l. A can do a certain piece of work in 8 days, and B can do the same in 6 days; A commenced and worked alone for 3 days, when B assisted him to complete... | |
 | Daniel W. Fish - 1874 - 526 σελίδες
...bought for $78 ? 16. If a man travel 240 miles in 5f days, how far would he travel in 3i days ? 17. A can do a certain piece of work in 8 days, and В can do it in 6 days : in what time can both together do it ? 18. A, B, and C can do a piece of work... | |
 | Horatio Nelson Robinson - 1875 - 462 σελίδες
...ran out, but I as much ran in at the same time ; what part of the cistern was emptied ? Ans. ;. 28. A can do a certain piece of work in 8 days, and B can do the same in 6 days ; in what time can both together do it ? Ans. 3 1 days. 29. A merchant sold... | |
 | Daniel W. Fish - 1883 - 348 σελίδες
...How many pounds of tea, at $1 a pound, will pay for 10 £ baskets of peaches, at $-^T a basket ? 25. A can do a certain piece of work in 8 days, and B can do the same piece of work in 6 days. In what time can both together do it ? 26. A horse and wagon... | |
 | Benjamin Franklin Finkel - 1888 - 518 σελίδες
...the pole? Ans. 44£ feet. 46. If 48 is $ of some number, what is f of the same number? Ans. 63. 47. A can do a certain piece of work in 8 days, and B can do the same work in 6 days. In what time can both together do the work? Ans. 3$ days. 541 48. The... | |
 | John Fair Stoddard - 1889 - 200 σελίδες
...4. If a family consume a barrel of pork in 30 days, what part of a barrel do they daily consume ? 5. If it require 19 days to perform a certain journey,...and B could do the same in 12 days, what part of it can each do in a day ? 7. If C could mow a certain field in 4 days, and D could do the same in 6 days,... | |
 | Horatio Nelson Robinson - 1895 - 526 σελίδες
...Together they do J + J + J = Ц in 1 day. Therefore it will take them 1 -i- fj = f? = 1§J days An». 25. A can do a certain piece of work in 8 days, and В can do the same work in 6 days. In what time can both together doit? 26. A certain pipe will fill... | |
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... 5. If it require 19 days to perform a certain journey, what part of it can be performed in 1 day ? 6. If A. can do a certain piece of work in 8 days, and B. could do the same in 12 days ; what part of it can each do in a day ? 7. 
