A company contracts to paint 3 houses. Mr.Brown can paint a house in – McqOptions

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1.	A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blue to complete the contract?
A.	7
B.	8
C.	11
D.	12
Answer» D. 12

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