Question 896554
First, set up your problem:

(80 miles/60 minutes)=(8 miles/x minutes)

Now cross multiply:

8*60 = 80x
480 = 80x

Solve:

(480/80) = x

6 = x 

So, it would take 6 minutes to drive 8 miles if a car is going 80 miles an hour.

-Alejandro