document.write( "Question 211478: Che drove to Due's house at a rate of 40 mph. He returned by the same route at a rate of 45 mph. The driving time for the round trip was 4hrs. What is the distance Che traveled? \n" ); document.write( "
Algebra.Com's Answer #159909 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT OR D/R=T \n" ); document.write( "D/40+D/45=4 \n" ); document.write( "(45D+40D)/(40*45)=4 \n" ); document.write( "85D/1,800=4 \n" ); document.write( "85D=4*1,800 \n" ); document.write( "85D=7,200 \n" ); document.write( "D=7,200/85 \n" ); document.write( "D=84.7 MILES IS THE DISTANCE FROM CHE TO DUE'S HOUSE. \n" ); document.write( "2*84.7=169.4 MILES IS THE TOTAAL DISTANCE TRAVELED. \n" ); document.write( " |