Answer:
30 miles in 40 minutes
Explanation:
First, find the unit rate by dividing miles over minutes. 45/60 = 0.75. So, Shawn drives 0.75 miles in one minute. Next, multiply 0.75 by 40 to get how far he goes in 40 minutes, which equals 30. So, Shawn travels 30 miles in 40 minutes.