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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.
An Introduction to Algebra: With Notes and Observations: Designed for the ... - Page 78
by John Bonnycastle - 1782 - 201 pages

## The Mathematical Repository: Containing Analytical Solutions of Near Five ...

James Dodson - Algebra - 1775 - 336 pages
...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...

## An Essay on Mathematical Language: Or, An Introduction to the Mathematical ...

Giovanni Alberto Baselli - Mathematics - 1787 - 440 pages
...Here the folu;ion it'clf contains thr fyntheti11 cal demonftration of the problem. PPxOBL. ROBL. XIIT. If A and B together can perform a piece of Work in time of a, A and C together in the time 6, and B and C together ia time c, in what rime will each of...

## Select Exercises for Young Proficients in the Mathematicks: Containing I. A ...

Thomas Simpson - Mathematics - 1792 - 252 pages
...66a, 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...in 10 Days. How many Days will it take each Perfon, alone, to perform the fame IVork ? Let the whole work be reprefented by a, and let *, y, and z ftand...

## Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Samuel Webber - Mathematics - 1801
...a, b, 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...and C in 10 days ; how many days will it take each person to perform the same work alone ? Ans. A 14-34 days, B 17^, andC 23-3^. , QUADRATIC EQUATIONS....

## Recreations in Mathematics and Natural Philosophy ...

...stolen is PROBLEM XXII. A and S can perform a certain piece of work in 8 days, A and C can do it in g days, and B and C in 10 days; how many days will each of them require to perform the same work, when they labour separately ? A will perform it in 14^4...

## Mathematics, Volume 1

Samuel Webber - Mathematics - 1808
...respectively; in what time would they jomtly produce the effect tfl .—7-7 Ans. -+-+•?->«/= t;me, 27. If A and B together can perform a piece of work in...and C in 10 days ; how many days will it take each person to perform the same work alone ? Ans. A 14|£ days, B 17jf and C 23^. . Qq QUADRATIC EQUATIONS....

## A Treatise on Algebra, in Practice and Theory: With Notes and Illustrations ...

John Bonnycastle - Algebra - 1813
...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...

## An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - Algebra - 1818 - 260 pages
...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...and c in 10 days, how many days will it take each person to perform the the same work alone ? Ans. A 14|| days, B 17f s, and c 2357T QUADRATIC EQUATIONS....