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" 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. A 14JA days, B 17fa, and C 23JT. "
Elementary Algebra: Embracing the First Principles of the Science - Page 106
by Charles Davies - 1842 - 258 pages
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A Practical and Theoretical System of Arithmetic: Containing Several New ...

George Willson - Arithmetic - 1836 - 202 pages
...balance in oats at 40 cents a bushel : what quantity of oats does he receive ? Ans. 287^ bushels. 54. If A and B together can do a piece of work in 7 days, and B alone in 12 days, in how many days can A alone do f of it 1 ' Ans. 11 days. COMPOUND...
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Elements of Algebra

Algebra - 1838 - 372 pages
...many days would the man alone be in drinking it ? Ans. 20 days. 20. 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. A 14a.| days,...
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An Elementary Treatise on Algebra, Theoretical and Practical: With Attempts ...

John Radford Young - Algebra - 1838 - 358 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 C together in 9 days, and В and C together in 10 days ; in how many days can each alone perform the same work ? Let the number...
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A Practical and Theoretical System of Arithmetic: Containing a New System of ...

George Willson - Arithmetic - 1838 - 194 pages
...balance . in oats at 40 cents a bushel : what quantity of oats does he receive ? Ans. 287^ bushels. 54. If A and B together can do a piece of work in 7 days, and B alone in 12 days, in how many days can A alone do f of it ? " Ans. 11 days. • COMPOUND...
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First Lessons in Algebra: Embracing the Elements of the Science

Charles Davies - Algebra - 1840 - 252 pages
...harness. * .40 for the chaise. 8. To divide the number 36 into three such parts that ^ of the first, ^ of the second, and \ of the third, may be all equal...would it take each to perform the same work alone 1 Ans. A 14f|, B 17|f , C 23T7T. s 10. Three persons, A, B, and C, begin to play together, having among...
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Arithmetic: As Taught in the Troy Episcopal Institute

W. F. Walker - Arithmetic - 1841 - 248 pages
...yard of velvet cost 7s. 3d., how many yards can be. bought for 13 15s. 6d.? . ^Ans. 28yd. 2qr. (21.) If A and B together can do a piece of work in 7 days, and B alone in 12 days, in how many days can A alone do of it ? Ans. 1Of days. (22.) If...
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Elements of Algebra

Charles Davies - Algebra - 1842 - 368 pages
...many days would the man alone be in drinking it ? Ans. 20 days. 20. 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. A 14ff days,...
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An Elementary Treatise on Algebra: Designed to Facilitate the Comprehension ...

Ormsby MacKnight Mitchel - Algebra - 1845 - 294 pages
...lasted the woman 30 days, How many days would it last the man ? Ans. 20 days. 19. A and B can, together, do a piece of work in 8 days; A and C, together, in 9 days, and B and C in 10 days. How many days will it take each person to do the same piece of work, when they work separately...
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Elements of Algebra: Including Sturms' Theorem

Charles Davies - Algebra - 1845 - 368 pages
...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 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. A 14f days,...
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A New System of Arithmetic and Mathematics

James H. Porter - Arithmetic - 1845 - 256 pages
...undamaged part so that I may clear d50 by the whole ? Ans. 11s. 7fd. 222. A and B together can perfo.rm a piece of work in 8 days, A and C together in 9 days, and B and C in 1 0 days. How many days will it take each person to perform the same work alone ? {A in 14| days....
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