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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. "
Mathematics - Page 315
by Samuel Webber - 1808
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A Treatise on Algebra

Elias Loomis - Algebra - 1846 - 346 pages
...В together can perform a piece of work in 12 days, A and C together in 15 days, and В and C in 20 days; how many days- will it take each person to perform the same work alone ? Ex. 22. If A and В together can perform a piece of work in a days, A and C together in b days, and...
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A Treatise on Algebra

Elias Loomis - Algebra - 1846 - 346 pages
...due to him ; and to the other, one third of what remains due to him. What were the debts ? Ex. 21. If A and B together can perform a piece of work in 12 days, 4 and C together in 15 days, and B and C in 20 days ; how many days will it take each person...
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Elements of Algebra: Including Strums' Theorem

Algebra - 1847 - 368 pages
...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 14 f<- days, B 17ff, and C 23/T. 21. A laborer can do a certain work expressed by a, in a time expressed...
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Elements of Algebra: Including Sturms' Theorem

Charles Davies - Algebra - 1847 - 368 pages
...how many 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...
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Elementary Algebra: Embracing the First Principles of the Science

Charles Davies - Algebra - 1848
...and j of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and B together can do a piece of work in 8 days, A and C together in 9 days, and B and C in ten days ; how many days would it take each to perform the same work alone ? Ans. A 14f, B 17ff,...
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Elements of Algebra: Including Sturms' Theorem

Algebra - 1848 - 368 pages
...lasted the woman JO 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...
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A Treatise on Algebra: For the Use of Schools and Colleges

Stephen Chase - Algebra - 1849 - 336 pages
...the whole stock is c. How much did each contribute ? See 55. 4. ft (LC ' . B's Part, &c5. 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 ; in how many days could each person, alone, perform the same work...
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The American Arithmetic: In which the Principles of Numbers are Explained ...

James Robinson - Arithmetic - 1850 - 324 pages
...5 for 2 pence, found that she had lost 4 pence. What number of eggs did she purchase ? 189. A and B can perform a piece of work in 8 days, A and C can perform it in 9 days, and B and C can perform it in 10 days. In what number of days can each perform...
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BONNYCASTLE'S INTRODUCTION TO ALGEBRA; CONTAINING THE INDETERMINATE AND ...

JAMES RYAN - 1851
...the side by one man, he wants 25 to fill up the square*; how many soldiers had he ? Ans. 24000. 36. If A and B together can perform a piece of work in...each person to perform the same work alone. Ans. A 14ff- days, B 17f-f, and c 23^. QUADRATIC EQUATIONS. A QUADRATIC EQUATION, as before observed, is that...
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Ray's Algebra: Designed for High Schools and Colleges. An analytical ..., Part 2

Joseph Ray - Algebra - 1852 - 396 pages
...such parts, that the quotient of the greater divided by the less shall be q, with a remainder r. 13. If A and B together can perform a piece of work in a days, A and C together the same in b days, and B and C together in c days: find the time in which...
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