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?

Respuesta :

3 h = 3*60 min = 180 min

[tex]180\cdot12=2160[/tex]

2160 cars
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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