SOLUTION: Sarah leaves Seattle for New York in her car, averaging 80mph across open country. 1 hour later, a plane leaves Seattle for New York following the same route and flying 400mph. How
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Question 630496: Sarah leaves Seattle for New York in her car, averaging 80mph across open country. 1 hour later, a plane leaves Seattle for New York following the same route and flying 400mph. How long will it be before the plane overtakes the car?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
In one hour, the car goes 80 miles.
The plane is going 320 mph faster than the car.
It will take 80/320 or 1/4 hour to catch up.
or
80(x+1)=400x
80x+80=400x
80=320x
80/320=x
1/4=x
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