2. A can do a piece of work in 20 days and B alone can do it in 30 day

1.	2. A can do a piece of work in 20 days and B alone can do it in 30 days. They workat it together for 4 days and then A leaves. In how many days will B alone finishthe remaining work?
Answer» Step-by-step EXPLANATION: A+B in 4 DAYS do $( \frac{1}{20} + \frac{1}{30} ) \times 4$ 5/60

2. A can do a piece of work in 20 days and B alone can do it in 30 days. They workat it together for 4 days and then A leaves. In how many days will B alone finishthe remaining work?

Answer»

Step-by-step EXPLANATION:

A+B in 4 DAYS do

$( \frac{1}{20} + \frac{1}{30} ) \times 4$

5/60

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2. A can do a piece of work in 20 days and B alone can do it in 30 days. They workat it together for 4 days and then A leaves. In how many days will B alone finishthe remaining work?​

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2. A can do a piece of work in 20 days and B alone can do it in 30 days. They workat it together for 4 days and then A leaves. In how many days will B alone finishthe remaining work?