SOLUTION: a trip that takes 3 hours by car takes 30 minutes by plane. At these rates, how many minutes would be required for a plane trip that takes 4 hours by car?

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Question 296160: a trip that takes 3 hours by car takes 30 minutes by plane. At these rates, how many minutes would be required for a plane trip that takes 4 hours by car?
Found 2 solutions by mananth, richwmiller:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
this is direct proportion
3 hours by car is 1/2 hour by plane
4 hours by car will be 4* 1/2 / 3
=2/3 hours = 45 minutes by plane

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
This of course is completely unrealistic considering the hassles of buying tickets, getting to and from the airport, hassles at the airport and the luggage mess.
Drive any trip 4 hours or under.
You will also have your car with you.