a and b together can do a piece of work in 10 days. a alone can do the piece of work in 12 days. how many days will b take to do the work
pls attach a picture to show your working. i am doing math exercises for my exam, and i cant get the answer to this question. thank you
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Answered by
1
work done by a and b together is 1/a+1/b=1/10
put a=12
1/b=1/60
b can do in 60 days
Answered by
0
Answer:
a+b=10days
one work=1/10days
B's oneday work=1/12
so,a'soneday work is 1/10-1/12=1/60
60days
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