Respuesta :

Answer:63Minutes

Step-by-step explanation:

Answer: 63.

Step-by-step explanation: In order to find how fast she runs 6 miles, it'd be convenient to know how fast she runs in 1 mile. So:

8 miles = 84 minutes.

8/8 = 1

84 / 8 = 10.5

6 x 1 = 6

10.5 x 6= 63.