Question

answer thr following question

Answer 1

If A does 3 times as much work as B, it means that, when A and B work together:

They do 4 times as much work as B would do working alone;

B does 1/4 of the work and A does 3/4 of the work.

So A alone would work 3/4 as rapidly as both together, and the amount of time he would take is 9 days divided by 3/4, or 12 days.

So the answer is D) 36 days,108 days ,27 days

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Answer 2

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