document.write( "Question 218997: On a trip I drive 4 hours at rate r mph I then drive 6 hours at a rate 40 mph. My total distance is 480 miles. Find r\r
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Algebra.Com's Answer #165115 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! On a trip I drive 4 hours at rate r mph I then drive 6 hours at a rate 40 mph. \n" ); document.write( " My total distance is 480 miles. Find r \n" ); document.write( ": \n" ); document.write( "Write a distance equation (dist = time * speed) \n" ); document.write( "; \n" ); document.write( "4r + 6(40) = 480 \n" ); document.write( "4r = 480 - 240 \n" ); document.write( "4r = 240 \n" ); document.write( "r = 60 \n" ); document.write( " |