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)\"\" \"About 
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
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