document.write( "Question 436015: A girl drove 4 hours there and drove back in 3 hours. What were her speeds if her speed coming back was 11 mph greater than her speed there? \n" ); document.write( "
Algebra.Com's Answer #301696 by jorel1380(3719) You can put this solution on YOUR website! Let x be the girl's speed. Her distance traveled is 4x. The same distance traveled back was at x+11 for 3 hours. Therefore: \n" ); document.write( "4x=3(x+11) \n" ); document.write( "4x=3x+33 \n" ); document.write( "x=33 \n" ); document.write( "Her speed there was 33mph. Her speed back was 44 miles per hour. \n" ); document.write( " |