A and B together can do a piece of work in 15 days A alone can finish the work in 20 days in how many days can B alone finish the work
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Answered by
2
20-15=5
In 5 days b do his work
In 5 days b do his work
ale63:
100 days
Answered by
3
A+B=15
1/A+1/B=1/15
1/A=1/20
1/B=1/15-1/20
=3/60
=1/20
B =20 days
1/A+1/B=1/15
1/A=1/20
1/B=1/15-1/20
=3/60
=1/20
B =20 days
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