document.write( "Question 333932: Two cities are 2160 miles apart. A plane leaves one of them, travelling towards the other at an average speed of 340 miles per hour. At the same time a plane leaves the other, traveling toward towards the first, at an average speed of 380 miles per hour. How long will it take them to meet? \n" ); document.write( "
Algebra.Com's Answer #239286 by rfer(16322)\"\" \"About 
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approaching at 720 mph
\n" ); document.write( "2160/720=3 hrs
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