Respuesta :

RASEA23
Use the distance formula, d=rt, where d is the distance, r is the rate or miles per hour in this case, and t is the time in hours.
15.12=6.3s
s=15.12/6.3= 2.4 hours
Hope this helps. 
15.12 miles in 6.3 hours

Divide
15.12 / 6.3 = 2.4

2.4 miles per hour

Answer: 2.4 miles per hour