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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: Compiled from the Best Authors and Intended to be the Text-book ... - Page 352
1801 - 426 pages

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

James Dodson - Algebra - 1775 - 356 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 Introduction to Algebra: With Notes and Observations: Designed for the ...

John Bonnycastle - Algebra - 1782 - 226 pages
...times 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...and C in 10 days : How many days will it take each perfon to perform the fame work alone ? ' Anf. lajs.ll, anz. , 49 4* QUADRATIC EQUATIONS. Ajimple quadratic...

## An Introduction to Algebra: With Notes and Observations: ... By John ...

John Bonnycastle - 1782 - 272 pages
...: 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...

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

Giovanni Alberto Baselli - Mathematics - 1787 - 480 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 - 292 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...and C 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...

## Recreations in Mathematics and Natural Philosophy ...

Jacques Ozanam - Mathematics - 1803 - 548 pages
...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...

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

John Bonnycastle - Algebra - 1811 - 230 pages
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 24. If A and B together can perform a piece of work in...each person to perform the same work alone ? Ans. A 14-|| days, B I7f|, and C 23/T. 25. If three agents, A, B, and C, can produce the effects o, 6, c,...

## A Treatise on Algebra, in Practice and Theory: With Notes and ..., Volume 1

John Bonnycastle - Algebra - 1813 - 456 pages
...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...