 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?  The elements of algebra - Page 223by Andrew Bell (writer on mathematics.) - 1839Full view - About this book
 | Algebra - 1847 - 386 pages
...days would the man be 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,... | |
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...days ; how many 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.... | |
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...x=y-\-l .: 4ж=4y+4; but 4x=5y .: 5y=4y+4 .-. y— 4 .-. *=4+1=5 .-. the цшпЬег is 54. (4) If A and В 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 alone perform it? Let x, y, and z represent... | |
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...the results of the eliminations will be a pair of equations, with only two unknowns : for example, A and В 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 alone perform it ? Suppose A, B, and... | |
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...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... | |
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...В for 7 days he could do it in IS days, in what time could В do it ? (94) A and В together can do a piece of work in 8 days, A and С together in 10 days, В and С together in 12 days, in what time will each do it alone ? Section 31. (95) A can... | |
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...ropes, 360 and 72 yards } and circumferences of the wheels 20 and 12 yards. 22. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and О together in 10 days, in how many days can each alone perform the same work I Ans. A in 14J-A days,... | |
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...Hence, 15a; and 52y become 150 and 156, which are the required numbers. 11. " If A and В together can perform a piece of work in 8 days, A and С together in 9 days, В and С together in 10 days, how many days will it take each person to perform the same work alone... | |
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...| of the third, may be all equal to each other. Ans. 8, 12, and 16. 6. If A and В together can do a piece of work in 8 days, A and С together in 9 days, and Б and С in ten days, how many days would it take each to perform the same work alone? Ans. A, 14|£;... | |
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...j of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and В together can do a piece of work in 8 days, A and С together in 9 days, and В and С in ten days ; how many days would it take each to perform the same work alone 1 Ans. A 14ff, B 17f... | |
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