Question

One week Alaina ran 12 miles in 131.25 minutes. The next week, Alaina ran 12 miles in 119.5 minutes. If she ran a constant pace during each run, about how much faster did she run each mile in the second week than in the first week?

Answer 1

58.75 seconds per mile

Explanation:

Answer 2

58.75 seconds per mile

Explanation:

Alaina ran the distance 131.25 -119.5 = 11.75 minutes faster the second week. That's 705 seconds faster, or faster by ...

... (705 s)/(12 mi) = 58.75 s/mi