Question

A and B together can do a piece of work in 20 days, B and C together can do it in A and B together can do a piece of work
15 days, C and A together can do it in 12 days.

(i) How long will they take to finish
the work, working all together?

(ii) How long would each take to do the same work?​

Answer 1

Answer:

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Step-by-step explanation:

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