Question

1. How much time will you save on a ten mile trip if you travel at 60 mph rather than at 55 mph?

Answer 1

60/10 = 6

 so it would take 6 minutes to drive 10 miles

55/10 = 5.5 so it would take 5 and a half minutes to drive 10 miles

6-5.5 = 0.5 so it would save you 30 seconds