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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. "
Key to Dodd's Algebra: Containing All the Problems, and the More Difficult ... - Página 27
por James William Dodd - 1859
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The Mathematical Repository: Containing Analytical Solutions of Near Five ...

James Dodson - 1775 - 356 páginas
...But - - A.*-f2_JL = 306 by queilion; . 3 *3 _ ,, Anu 4tne root thereof) - ^=9. QUEST. CV. 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 ю days . How many days will it take each perfon alone to...
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An Introduction to Algebra: With Notes and Observations: Designed for the ...

John Bonnycastle - 1782 - 226 páginas
...e, /, g, refpeftively : in •what time would they joindy pr0duce_the_effe& 4? '+& **1 time. 26. 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 will it take each perfon to perform the...
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An Introduction to Algebra: With Notes and Observations: ... By John ...

John Bonnycastle - 1782 - 272 páginas
...: in what time would they jointly produce the effeft а? А*Ш±££ит. а + b+с 26. If A and В together can perform a piece of work in 8 days ; A and С together in g days ; and В and С in lo days : How many days will it take each perfon to perform...
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Select Exercises for Young Proficients in the Mathematicks: Containing I. A ...

Thomas Simpson - 1792 - 292 páginas
...Therefore z— ^a—go ; whence ac (-2« + 2) — 5^=150, »nd y (— a+JL QUESTION QUESTION LX, 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 will it take each Perfon, alone, to perform...
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Mathematics: Compiled from the Best Authors and Intended to be the ..., Volumen1

1801 - 446 páginas
...c, in the times e,f, g, respectively ; in what time would they jointly produce the effect d ? 26. 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 will it take each person to perform the...
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A Treatise on Algebra, in Practice and Theory: With Notes and ..., Volumen1

John Bonnycastle - 1813 - 456 páginas
...by one man, he wants 25 to fill up the square; bow many soldiers had he? Ans. 240OO 39. 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...
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The Leeds Correspondent, Volumen2

John Ryley, John Gawthorp, John Whitley - 1818 - 308 páginas
...independent on algebra, to a question in Dodson's Repository, page 62, vol.), which is as follows: If A and B together can perform a piece of work in 8...C, in 9 days, and B and C in 10 days: how many days will it take each person alone to perform the same work? Solution from Dodson's Repository, communicated...
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An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - 1818 - 284 páginas
...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 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 perform the the...
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A Treatise of Algebra: Wherein the Principles are Demonstrated ... To which ...

Thomas Simpson - 1821 - 426 páginas
...— .}- — =7. de+ ic+l Therefore x ( =ds — 6 ) = 16 ; y ( =d«+c ) =25 ; and u TROBLEM XXXVI. If A and B together can perform a piece of work in 8 (a) days, A a«rf C together in 9. (6) <fai/s, a«d B and C in 10 (c) days; how many days will it take...
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Elements of Arithmetic, Theoretical and Practical: Adapted to the Use of ...

Ferdinand Rudolph Hassler - 1828 - 230 páginas
...the work jointly ? A us. in f of a week. --12. If A and B together can perform a work in 8 days, and A and C in 9 days, and B and C in 10 days ; how many days will it take each to perform the work alone ? Ans. To A = 14ff ; to B — 17£? ; to C = 23TV 13. The...
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