If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. Mathematics - Page 315by Samuel Webber - 1808Full view - About this book
| David Henry Cruttenden - Arithmetic - 1853 - 316 pages
...days, and C in 8 days ; in what time can the three perform the same work ? Ans. 2 5?g days 176. A and B **can perform a piece of work in 8 days. A and C** in 9 days, and B and C in 10 days ; how many days will it take each person to perform the same work... | |
| G. Ainsworth, J. Yeats - 1854
...together, so that by selling the mixture at 9s. a gallon there may be a gain of 30 per cent 1 123. A and В **together can perform a piece of work in 8 days, A and** С in 9 days, and В and С in 10 days : in how many days can each perform the work alone ? 124. Divide... | |
| Upper Canada. Chief Superintendent of Schools - Education - 1854
...product, is 150. 18. Given 2:c + y = 9, and2y + x = 15, and2z + y = 27, to find x, y and *. 19. A and B **can perform a piece of work in 8 days, A and C** in 9 days, and B and C in 10 days: hovr many days would it take each to perform the work alone T (Give... | |
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...body weighed as much as his head and tail ; what is the weight of the whole fish - Ans. 721bs. 99. **If A and B together can perform a piece of work in** eight days, A and|C together in nine days, and B and C together in ten days,|hnw long will each person... | |
| John Radford Young - 1855
...of the second, and one-sixth of the third shall together make 28 J. (9) A and B together can finish **a piece of work 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 finish the work ? [NOTE. The principles applied... | |
| William Smyth - Algebra - 1855 - 336 pages
...unknown quantities. 1. Three laborers are employed in 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... | |
| Elias Loomis - Algebra - 1855 - 316 pages
...is readily solved by first finding in what time they could finish it if all worked together. Ex. 22. **If A and B together can perform a piece of work in** a days, A. and C together in b days, and B and C in c days, how many days will it take each person... | |
| Charles Davies, M. Bourdon (Louis Pierre Marie) - Algebra - 1856 - 205 pages
...in the first equation, Ч---- clearing of fractions, 60 + 2x - 5x ; . • . * = 20. '20. If A and В **together can perform a piece of work in 8 days, A and C together** in.9 days, and B and C in 10 days: how many Jays would it take each person to perform the same work... | |
| Charles Davies, M. Bourdon (Louis Pierre Marie) - Algebra - 1857 - 205 pages
...- in the first equation, „. clearing of fractions, . 60 + 2ж = 5x ; .-. x = 20. 20. If A and В **together can perform a piece of work in 8 days, A...in 9 days, and B and C in 10 days : how many days** would it take each person to perform the same work alone? Let the work be denoted by 1 ; Let x denote... | |
| William Smyth - 1858
...unknown quantities. 1. Three laborers are employed in 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... | |
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