Answer:
12 minutes
Step-by-step explanation:
Given the question :
how much time could Robert save on a 60 mile trip if he drove at 70 mph rather than at 50 mph?
Time taken to cover 60 miles at a speed of 50 miles per hour
Recall :
Time taken = distance / speed
Hence, at Speed = 50 mph
Time taken = 60/50
Time taken = 1.2 hours = (1.2 * 60) = 72 minutes
At speed = 70mph
Time taken = 70/50
Time taken = 1.4 hours = (1.4 * 60) = 84 minutes
Time saved :
(84 - 72) = 12 minutes
