SOLUTION: A mechanic can install carburetors in 3 cars every 4 hours. At that rate, how long will it take the mechanic to install carburetors in 5 cars?

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Question 347922: A mechanic can install carburetors in 3 cars every 4 hours. At that rate, how long will it take the mechanic to install carburetors in 5 cars?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3/4=5/X
3X=20
X=20/3
X=6.667 HOURS ANS.