SOLUTION: alex and jenny are on a road trip and they are at a rest stop. if jenny leaves first driving at 60 mph and alex leaves 30 minutes later driving at 65 mph, how long will it take for

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Question 1200690: alex and jenny are on a road trip and they are at a rest stop. if jenny leaves first driving at 60 mph and alex leaves 30 minutes later driving at 65 mph, how long will it take for alex to catch up to jenny?
Answer by ikleyn(52879) About Me  (Show Source):
You can put this solution on YOUR website!
.

When Alex leaves, Jenny is just 30 km ahead.

The distance between them decreases at the rate of 65-60 = 5 km per hour.

So, Alex will catch up to Jenny in 30/5 = 6 hours.         ANSWER


Solved.