The car A has an average speed of 40 miles/hour and car B has an average speed of 60. How much time(in minutes) does the car A take more than car B to cover a distance of 60 miles?	Pick one:
A) 10 B) 20 C) 25 D) 30 E) 40
Time taken by Car A=60 miles/40 mph   =1.5 hours=90min   Time taken by Car B=60miles/ 60mph   =1 hour = 60 min   Car A takes 30 min more than car B   Answer: 30
<result>D</result>
The car A has an average speed of 40 miles/hour and car B has an average speed of 60. How much time(in minutes) does the car A take more than car B to cover a distance of 60 miles?