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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.
The Practical Analyst: Or, A Treatise on Algebra, Containing the Most Useful ... - Page 70
by Enoch Lewis - 1826 - 166 pages

## A New Introduction to the Science of Algebra ...

Silas Totten - Algebra - 1836 - 320 pages
...find #=26, y = 14, * = 8. Therefore A lost 10 shillings, B gained 2, and C 8. 6. 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 alone, to perform...

## Elements of Algebra

Algebra - 1838 - 372 pages
...days ; how 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...

## An Elementary Treatise on Algebra, Theoretical and Practical: With Attempts ...

John Radford Young - Algebra - 1838 - 368 pages
...(62.) QUESTIONS 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...

## First Lessons in Algebra: Being an Easy Introduction to that Science ...

Ebenezer Bailey - Algebra - 1840 - 270 pages
...second with J of the other two, and the third with % of the other two, shall each be equal to 34. 6. If A and B can perform a piece of work in 8 days, A and C in 9 clays, and B and C in 10 days, in how many days can each alone perform the same work ? 7. Says A to...

## Arithmetic: As Taught in the Troy Episcopal Institute

W. F. Walker - Arithmetic - 1841 - 246 pages
...perform the work jointly? Ans. | of a week. (69.) 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. A 14f|da.; B 17f?da.; C 23T^da. § 131. 1. Questions...

## Elements of Algebra

Charles Davies - Algebra - 1842 - 368 pages
...days ; how 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...

## A Treatise of Arithmetic: Designed for the Use of the Elementary Schools ...

Arithmetic - 1843 - 142 pages
...B can do in 12 days, and B and C can do in 16 days ; in what time could each do it separately ? 24. A and B can perform a piece of work in 8 days, A and C can do the same in 12 days, and B and C in 16 days ; in what time could each separately perform it,...

## Elements of Algebra: Embracing ... the Theory and Application of Logarithms ...

Davis Wasgatt Clark - 1844 - 394 pages
...Jlns. 24, 60, and 120; 7. If A and B together can perform a piece of work in 8 days, A and G together in 9 days, and B and C in 10 days, how many days will it take each person alone to perform the same work 1 Jlns. Jl in 14f A, B in 17jf, and C in 23fr...