Answer:
80 minutes.
Explanation:
Given: Ratio of number of minutes Josie took to run number of miles=

Josie want to run 10 miles
Let´s assume the number of minutes Josie took to run 10 miles be "x".
Now, finding the number of minutes Josie to run 10 miles.
forming an equation of ratio given as considering speed remain same.
⇒

Multiplying both side by 10.
⇒

⇒

∴

Hence, Josie took 80 minutes to run 10 miles.