SOLUTION: A car traveling at 90 mph is 500 miles behind another car traveling at 70 mph in the same direction. How long will it take the first car to catch the second?

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Question 898087: A car traveling at 90 mph is 500 miles behind another car traveling at 70 mph in the same direction. How long will it take the first car to catch the second?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the chasing car is gaining on the first car at 90-70=20 mph
It needs to gain 500 miles.
500/20=50/2=25
25 hours to catch up
The chasing car is bound to get caught by the highway patrol at least once in 25 hours for going 90 mph.