Books Books
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. A 14JA days, B 17fa, and C 23JT.
Elementary Algebra: Embracing the First Principles of the Science - Page 114
by Charles Davies - 1842 - 258 pages

## A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...\$22. ARITHMETIC. in an hour, in how many hours can they together mow acres Ans. 6 h. 30m. 301 sec. 31. If A and B together can do a piece of work in 7 days, and B alone in 12 days, in how many days can A alone do f of it? Ans. 11 1 days. 32. If 5 hundred...

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

Davis Wasgatt Clark - Algebra - 1846 - 374 pages
...the second, and \ of the third equal to 38. Jlns. 24, 60, and 120. 7. If A and B together can perform a piece of work in 8 days, A and C tog-ether in 9 days, and B and C in K) days, how many days will it take each person alone to perform the same work ? Jlns. Jl in 142f,...

## A Treatise on Algebra: Containing the Latest Improvements. Adapted to the ...

Charles William Hackley - Algebra - 1846 - 544 pages
...many days would the man alone be in drinking it ? Ans. 20 days. (40) 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 same work alone ? Ans. A 14JJ days,...

## A Treatise on the Elements of Algebra

James Bryce - 1846 - 350 pages
...of the quotient got when the number was divided by 4. Required the number. Ans. 71. 44. If A and B can do a piece of work, in 8 days, A and C in 9 days, and B and C in 1 0 days ; in how many days can each alone perform the same work ? Ans. In...

## Bonnycastle's Introduction to Algebra: Containing the Indeterminate and ...

John Bonnycastle - Algebra - 1851 - 288 pages
...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 same work alone. Ans. A 14ff- days,...

## A Compendious Course of Mathematics, theoretical and practical

John Radford YOUNG - 1855 - 218 pages
...of the second, and one-sixth of the third shall together make 28 J. (9) A and B together can finish a piece of work in 8 days, A and C together in 9 days, and B and C together in 10 days : in how many days can each alone finish the work ? [NOTE. The principles applied...

## Treatise on Algebra, for the Use of Schools and Colleges

William Smyth - Algebra - 1855 - 370 pages
...unknown quantities. 1. Three laborers are employed in a certain work. A and B together can perform it in 8 days, A and C together in 9 days, and B and C together in 10 days. In how many days can each alone perform the same work ? Let x, y and z represent...

## Exercises in arithmetic, for the use of schools. [With] Answers

Robert Rawson - 1855 - 208 pages
...assistance of В for 7 days he could do it in IS days, in what time could В do it ? (94) A and В together can do a piece of work in 8 days, A and С together in 10 days, В and С together in 12 days, in what time will each do it alone ? Section...