Question

A car drives at a speed of 45 miles per hour. How long does it take the car to travel 35 miles?

Answer 1

≈0.8 hours or 48 minutes

Explanation:

t = time

miles/hours = miles/hours

45/1 = 35/t

cross-multiply:

35 = 45t

t = 35/45

t ≈ .8 (of an hour)

0.8(60) = 48 minutes