 | Andrew Bell (writer on mathematics.) - 1839 - 500 pages
...remainder is the distance from A to D. Ans. 523-7, 646-05, and 225-78. A and В can perform a piece of work in 8 days, A and С together in 9 days, and В and С together in 10 days : in what time will each of them perform it alone ? Ans. 14 ^g, 17 2p and 23 gj days. 9. A and В can perform... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...consequently, з? -\- 284 = 24000, the whole number of men. 48. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and С in 10 days, how many days will it take each person to perform the same work alone? Ans. A 14J| days,... | |
 | Scottish school-book assoc - 1845 - 444 pages
...be subtracted, the digits will be inverted. Ans. 432. 10. If A and В together cnn perform a piece of work in 8 days, A and С together in 9 days, and В and С together in 10 days, in what time will each of them perform it alone? QUADEATIC EQUATIONS. 80. QUADRATIC -EQUATIONS may be... | |
 | James Bryce - 1846 - 352 pages
...number. Ans. 71. 44. If A and B can do a piece of work, in 8 days, A and C in 9 days, and B and C in 1 0 days ; in how many days can each alone perform the same work ? Ans. In 14f$, 17|f, 23^j. days. 45. A boy spends his money in oranges. If he had received 5 more... | |
 | William Smyth - 1847 - 276 pages
...a certain work. A and B together can perform it in 8 days, A and C together in 9 days, and B and C together in 10 days. In how many days can each alone perform the same work ? Let x, y and z represent the number of days respectively, then, in one day A will do one-zth part of it,... | |
 | Algebra - 1847 - 386 pages
...in drinking it alone ? Ans. 20 days. //,..',,/ Hk * Л 20. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and С in 10 days; how many days would it take each person to perform the same work alone? Ans. A 14|J days,... | |
 | Algebra - 1848 - 394 pages
...days would the man be in drinking it alone ? Ans. 20 days. 20. If A and B together can perform a piece of work in 8 days, A and С together in 9 days, and B and С in 10 days ; how many days would it take each person to perform the same work alone? Ans.... | |
 | William Smyth - Algebra - 1855 - 370 pages
...a certain work. A and B together can perform it in 8 days, A and C together in 9 days, and B and C together in 10 days. In how many days can each alone perform the same work ? Let x, y and z represent the number of days respectively, then, in one day A will do one-zth part of it,... | |
 | John Radford Young - 1857 - 324 pages
...PRODUCING SIMPLE EQUATIONS INVOLVING THREE UNKNOWN QUANTITIES. QUESTION I. If A and В can perform a piece of work in 8 days, A and С together in 9 days, and...respectively : then A can do - of the whole in a day ; - ...... \ ................... « ...... \ ...... ,- ........... . and since A and В do the whole... | |
 | William Smyth - Algebra - 1858 - 344 pages
...a certain work. A and B together can perform it in 8 days, A and C together in 9 days, and B and C together in 10 days. In how many days can each alone perform the same work ? Let x, y and z represent the number of days respectively, then, in one day A will do one-zth part of it,... | |
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В can perform a piece of work in 8 days, A and С together in 9 days, and В and С together in 10 days ; in how many days can each alone perform the same work ? Let... 
