document.write( "Question 588739: A plane leave Minneapolis Airport traveling 432 mph. A second plane leave Minneapolis at the same time traveling 480 mph in the opposite direction. When will the planes be 500 miles apart? \n" ); document.write( "
Algebra.Com's Answer #374614 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
432x+480x=500
\n" ); document.write( "912x=500
\n" ); document.write( "x=500/912\r
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\n" ); document.write( "\n" ); document.write( "a little more than half an hour.
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