document.write( "Question 991695: Carlos drove to the lake and back. The trip there took three hours and the trip back took five hours. He averaged 33 km/h on the return trip. Find the average speed of the trip there. \n" ); document.write( "
Algebra.Com's Answer #611529 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Carlos drove to the lake and back. \n" ); document.write( " The trip there took three hours and the trip back took five hours. \n" ); document.write( " He averaged 33 km/h on the return trip. \n" ); document.write( " Find the average speed of the trip there. \n" ); document.write( ": \n" ); document.write( "let a = the average for the trip there \n" ); document.write( ": \n" ); document.write( "Write a dist equation; dist = speed * time \n" ); document.write( ": \n" ); document.write( "dist there = dist back \n" ); document.write( "3a = 5(33) \n" ); document.write( "3a = 165 \n" ); document.write( "a = 165/3 \n" ); document.write( "a = 55 mph on the way there \n" ); document.write( " \n" ); document.write( " |