Respuesta :

Answer:

about 2.4 or 2

Step-by-step explanation:

because 15 divided by 3 gives you unit rate which is 5 now 12 divided by 5 which you can round or get decimal

answer: 60 minutes or an hour
explanation: you divide the amount of time by the miles ran and multiply that by the amount your trying to figure out (15/3=5 , 5x12=60)