document.write( "Question 130554: A truck can travel 150 miles in the same time that it takes a car to travel 200 miles. If the truck's rate is 10 miles per hour slower than the car's, find the average rate for each. \n" ); document.write( "
Algebra.Com's Answer #95372 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 150/X=200/(X+10) NOW CROSS MULTIPLY. \n" ); document.write( "200X=150(X+10) \n" ); document.write( "200X=150X+1,500 \n" ); document.write( "200X-150X=1,500 \n" ); document.write( "50X=1,500 \n" ); document.write( "X=1,500/50 \n" ); document.write( "X=30 MPH FOR THE TRUCK. \n" ); document.write( "30+10=40 MPH FOR THE CAR. \n" ); document.write( "PROOF: \n" ); document.write( "150/30=200/40 \n" ); document.write( "5=5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |