document.write( "Question 924500: Two cars pass each other along a straight highway and continue traveling in opposite directions. One car is traveling at 40 mph and the other at 50 mph. How many hours does it take for the cars to be 255 miles apart? \n" ); document.write( "
Algebra.Com's Answer #560872 by TimothyLamb(4379)\"\" \"About 
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cars relative speed = 40 + 50 = 90
\n" ); document.write( "s = d/t
\n" ); document.write( "t = d/s
\n" ); document.write( "t = 255/90
\n" ); document.write( "t = 2.83333 hours
\n" ); document.write( "t = 2 hours 0.83333*60 minutes
\n" ); document.write( "t = 2 hours 50 minutes
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