document.write( "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?
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Algebra.Com's Answer #396952 by richwmiller(17219) $\"\"$ $\"About$

You can put this solution on YOUR website!
In one hour, the car goes 80 miles.
\n" ); document.write( "The plane is going 320 mph faster than the car.
\n" ); document.write( "It will take 80/320 or 1/4 hour to catch up.
\n" ); document.write( "or
\n" ); document.write( "80(x+1)=400x
\n" ); document.write( "80x+80=400x
\n" ); document.write( "80=320x
\n" ); document.write( "80/320=x
\n" ); document.write( "1/4=x \n" ); document.write( "

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