document.write( "Question 898089: A train travels from point A to B, a distance of 100 miles, at a speed of 20 mph. If it had gone two and a half times faster, how much earlier would it have arrived at B? \n" ); document.write( "
Algebra.Com's Answer #544533 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 100/20=5 hours \n" ); document.write( "(2.5*20)*t=100 \n" ); document.write( "50t=100 \n" ); document.write( "t=2 \n" ); document.write( "5-2=3 hours earlier\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |