document.write( "Question 623235: Maria drove to a business appointment at 40 mph. Her average speed on the return trip in the afternoon was 30 mph. The return trip took1/3 hr longer because of traffic. How far did she travel to the appointment? \n" ); document.write( "
Algebra.Com's Answer #392016 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Maria drove to a business appointment at 40 mph. Her average speed on the return trip in the afternoon was 30 mph. The return trip took1/3 hr longer because of traffic. How far did she travel to the appointment? \n" ); document.write( "** \n" ); document.write( "let x=travel time to appointment \n" ); document.write( "x+1/3=travel time on return trip \n" ); document.write( "distance=travel time*speed \n" ); document.write( ".. \n" ); document.write( "40x=30(x+1/3) \n" ); document.write( "40x=30x+10 \n" ); document.write( "10x=10 \n" ); document.write( "x=1 hr \n" ); document.write( "distance=40*1=40 mi (distance Marie traveled to appointment) \n" ); document.write( " |