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A group of student organized a car wash to raise money for a local charity.the student charged $5 for each car they washed. in 3 hours they washed 12 cars. at that rate how much money could they earn from washing cars for 8 hours

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First, in 3 hours they earned $60 for washing 12 cars ( 5 × 12 = 60 ) Then, find how much money they earned in 8 hours. To do that, multiply the 60 by 4 because the 3 hours + 4 hours = 8 hours. Once you've done that, you answer should be: In 8 hours, the students raised $240.

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