document.write( "Question 207831: you ride in a train for 175 miles at an average speed of 50 miles per hour. how many hours does the trip take? \n" ); document.write( "
Algebra.Com's Answer #157201 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
D=rt
\n" ); document.write( "t=D/r
\n" ); document.write( "t=175/50
\n" ); document.write( "t=3.5 hrs
\n" ); document.write( "
\n" );