document.write( "Question 487196: I need help on the following word problem.\r
\n" ); document.write( "\n" ); document.write( "A commuter bus takes 2 hours to get downtown; an express bus, averaging 25 mph faster, takes 45 minutes to cover the same route. What is the average speed for the commuter bus?
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Algebra.Com's Answer #332985 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
3/4(n+25)=2n
\n" ); document.write( "3n/4+75/4=2n
\n" ); document.write( "75/4=5n/4
\n" ); document.write( "5n=75
\n" ); document.write( "n=15
\n" ); document.write( "2n=30
\n" ); document.write( "The route is 30 miles long each way-
\n" ); document.write( "60 miles/2-3/4 hours=60/11/4=240/11=21.81 mph average..
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