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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. A 14JA days, B 17fa, and C 23JT.
Elementary Algebra: Embracing the First Principles of the Science - Page 106
by Charles Davies - 1842 - 258 pages

## First Year Mathematics

George William Evans, John A. Marsh - Mathematics - 1916 - 280 pages
...equations: ® i+H -» HM ® 21 = x ® X 21 x The value of y may be found in a similar way. EXERCISE 76 1. A and B together can do a piece of work in 8\$ days. If A worked 3 days and B 5 days, only half of the work would be done. How long would it take A alone...

## Rapid Calculations

A. H. Russell - Arithmetic - 1925 - 234 pages
...equal shovelfuls of earth a minute. In what time could each have filled the pit by himself ? A and B can do a piece of work in 8 days, A and C take 10 days, B and C take 12 days. How long will A, B and C take, working together 1 A can do a piece...

## New Elementary Algebra Embracing the First Principles of the Science

Charles Davies - Algebra - 1891 - 312 pages
...first, J of the second, and \ of the third, ma7 be all equal to each other. Ans. 8, 12, and 16. 6. If A and B together can do a piece of work in 8 days, A and 0 together in 9 days, and B and.C in 10 days, how many days would it take each to perform the same...