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A car washer machine can wash 8 cars 18 cars in 18 minutes. How marry cars can be washed at the same rate in 3 hours?

A car washer machine can wash 8 cars 18 cars in 18 minutes. How marry cars can be washed at the same rate in 3 hours? Correct Answer 80

3 hours = 180 minutes In 18 minutes car washer washes 8 carsIn 1 minutes car washer washes 8/18 carsIn 180 minutes car washer washes (8*180)/18 = 80 cars

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