Question

It takes 7 hours to drive 350 miles.how many miles per min?

Answer 1

               (350 miles / 7 hours) x (1 hour / 60 minutes)

           =  ( 350 x 1) / (7 x 60)  (mile / minute)  =  5/6 mile/minute

Answer 2

7 hours = 7 x 60 minutes = 420 minutes

350 miles in 420 minutes.

Divide both numbers by 420

350/420 miles in 420/420 minutes.

$\frac{350}{420} = \frac{35}{42} = \frac{5\times 7}{6\times 7} = \boxed{\frac{5}{6}}$

5/6 miles in 1 minute.