A and B can do a piece of work in 8 days.

A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?

Quiz

Answer/Solution

7.38 days

Steps/Work

A + B = 1/8
B + C = 1/12
C + A = 1/16
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2(A + B +C) = 1/8 + 1/12 + 1/16 = 13/48
A + B +C = 13/96
96/13 = 7.38 days
Answer: D

Physics Calculator / Auto Solver

A and b can do a piece of work in days. B and c can do it in days and a and c in days. Working together they will complete the work in how many days?

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