The time that should take her to run each mile is approx 11.5 minutes.
Given that,
She runs 5 miles in 57 and a half minutes.
Based on the above information,
The time that should be taken by her is
= 57.5 ÷ 5 miles
= 11.5 minutes.
Therefore we can conclude that the time that should take her to run each mile is approx 11.5 minutes......