Question

While riding in a car, Rachel saw 12 red cars pass by in one minute. At this rate, how many red cars will she see in 3 hours?

Answer 1

The answer is: " 2160 red cars " .
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(12 red cars / min) * (60 min/ hr) (3 hr.) ;

= (12*60*3) red cars = 720 * 3 red cars ;
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= 2160 red cars .
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Answer 2

3 h = 3*60 min = 180 min


`180\cdot12=2160`

2160 cars