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5 votes
The science club washes 30 cars in 45 minutes. At this rate how many cars will they wash in 1 hour?

User Tivn
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2 Answers

7 votes
I think it is 90 because u have to find out how many cars they wash in one minute(1.5). Then u multiply it by 60 cause they need to know how many in a hr so I think it's 90 cars
User Lon Kaut
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8.3k points
6 votes

(30\ cars)/(45\ minutes) = (10\ cars)/(15\ minutes) = \boxed{(40\ cars)/(60\ minutes)}
User Chad Taylor
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