SOLUTION: If Joe can wash , how long will it take him to wash 5 cars?

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Question 908265: If Joe can wash , how long will it take him to wash 5 cars?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
t time to wash 5 cars
2 cars every 45 minutes...how long for 5
Information Sets Up the following proportion:
2%2F%2845min%29+=+5%2Ft | Cross Multiplying to solve
2t = 5•45min
2t = 225min
t = 225min/2 = 112.5 0r 112 1/2 min