document.write( "Question 328124: John and William leave their home traveling in opposite directions on a straight road. John drives 20 miles per hour faster than William> After 4 hours they are 250 miles apart. Find their rates \n" ); document.write( "
Algebra.Com's Answer #235089 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "250=(X+X+20)4 \n" ); document.write( "250=(2X+20)4 \n" ); document.write( "250=8X+80 \n" ); document.write( "8X=250-80 \n" ); document.write( "8X=170 \n" ); document.write( "X=170/8 \n" ); document.write( "X=21.25 MPH FOR THE SLOWER DRIVER. \n" ); document.write( "21.25+20=41.25 MPH FOR THE FASTER DRIVER. \n" ); document.write( "PROOF: \n" ); document.write( "250=(21.25+41.25)4 \n" ); document.write( "250=62.50*4 \n" ); document.write( "250=250 \n" ); document.write( " |