A can do a piece of work in 25 days and B can finish it in and 20 days .they work together for 5 days and then . A leaves In how many day will be finish the remaining work
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Answer:9 days
Step-by-step explanation:
The work done by A in one day is 1/25
The work done by B in one day is 1/20
So the sum is
1/25+1/20=9/100
As A do the work for 5 days
9/100*5=9/20
B's one day work =1/20 so no of days taken to complete the work are 9/20÷1/20=9
Hope u understood.
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