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
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> 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
Log On
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?
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
