Answer:
44.71 mi/h
11.17 mi
Step-by-step explanation:
To express the velocity in the S.I. you use the following equality:

then, by replacing you obtain:

When the car has traveled while 15 minutes you have:

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TRANSLATION:
Para expresar la velocidad en el S.I., utiliza la siguiente igualdad:
entonces, al reemplazar, obtienes:
Cuando el automóvil ha viajado durante 15 minutos, tiene: