A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

A can do a job in 18 days and B can do it in 30 days. A and B worki

1.	A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?
A.	21 ½ days
B.	22 ½ days
C.	23 ½ days
D.	12 ½ days
Answer» B. 22 ½ days

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A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

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