A car traveled 281 miles in 4 hours 41 minutes. What was the average speed of the car in miles per hour?  Choices
A) 60 miles / hour B) 50 miles / hour C) 80 miles / hour D) 90 miles / hour E) 40 miles / hour
We first convert the time of 4 hours 41 minutes in minutes   4 hours 41 minutes = 4 ? 60 + 41 = 281 minutes   Average speed S is given by distance / time. Hence   S = 281 miles / 281 minutes = 1 mile / minute   = 60 miles / hour   correct answer 60 miles / hour
<result>A</result>
A car traveled 281 miles in 4 hours 41 minutes. What was the average speed of the car in miles per hour?