document.write( "Question 925796: Two planes flying in opposite directions left Newark at the same time. One plane was travelling 420 mph, the other at 516 mph. In how many hours will they be 4,680 miles apart? \n" ); document.write( "
Algebra.Com's Answer #561773 by ewatrrr(24785)\"\" \"About 
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D = rt
\n" ); document.write( "Flying in Opposite Directions..
\n" ); document.write( "420t + 516t = 4680
\n" ); document.write( "t = 4680/936 = 5hr
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