P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

P and Q can do a project in 60 and 30 days respectively. In how many d

1.	P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?
A.	9 days
B.	27 days
C.	36 days
D.	18 days
Answer» E.

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P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

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