Respuesta :
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 .
_____________________________________________________
_____________________________________________________
(12 red cars / min) * (60 min/ hr) (3 hr.) ;
= (12*60*3) red cars = 720 * 3 red cars ;
_____________________________________________________
= 2160 red cars .
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