A & B can together do a piece of work in 10 days .B alone can do it in 20 days .In how many days can A alone do it?
Answers
Answered by
4
Answer:
20 days
Explanation:
100% correct..!
Answered by
0
Answer:
AB = 10 days
B = 20 days
A= 10 days
Explanation:
AB = 20 days
B = 10 days
A= ?
AB = A + B
10 = A + 20
A = 20 - 10 = 10 days
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