Question

A and B can do a piece of work in 72 days, B and C can
do it in 120 days; A and Cand do it in 90 days. In what
time can A alone do it?
dave
100 days​

Answer 1

Answer:

20 days

Step-by-step explanation:

when the work of A will come we have to divide it by 100 and it will gives ur answer.

Answer 2

Answer:

in 20 days

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