At a speed of 48 miles per hour, how mnay minutes will it take to drive 40 miles?

Question

Is it 32 minutes?

Answer 1

No, it is 50 minutes.

40/48 * 60 = 50.

Answer 2

Another way to figure this problem is with a proportion.

48/60 = 40/x

48x = 2400

x = 50