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Twenty cars go past your house during a 5-minute period. At that rate, how many cars will go past your house during a 15-minute period?

Respuesta :

Answer:

60

Step-by-step explanation:

because there is (3) 5's in 15, and there are 20 cars going in 5 min. So that means every 5 min you are adding 20 cars, so by the time you get to 15 that will have got to 60.   (20=5min) + (20=5min) + (20=5min) = 60 cars in 15 min

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