document.write( "Question 404622: A plane can fly 480 miles in the same time as it takes a car to go 160 miles. If the car travels 80 mph slower than the plane, find the speed of the plane.\r
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Algebra.Com's Answer #285975 by rfer(16322)\"\" \"About 
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x-80/160=x/480
\n" ); document.write( "160x=480x-38400
\n" ); document.write( "-320x=-38400
\n" ); document.write( "x=120 mph\r
\n" ); document.write( "\n" ); document.write( "480/120=160/40
\n" ); document.write( "4 hrs= 4 hrs
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