document.write( "Question 210114: \"Micheal drove to a friends house at a rate of 40mph. He returned the same way at a rate of 45mph. The driving time for the whole trip was 4hours. What is the distance Micheal travled?\" \n" ); document.write( "
Algebra.Com's Answer #158825 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=40T \n" ); document.write( "D=45(4-T) \n" ); document.write( "40T=45(4-T) \n" ); document.write( "40T=180-45T \n" ); document.write( "85T=180 \n" ); document.write( "T=180/85 \n" ); document.write( "T=2.118 HOURS FOR THE FIRST TRIP. \n" ); document.write( "4-2.118=1.882 HOURS FOR THE RETURN TRIP. \n" ); document.write( "D=40*2.118=84.7 MILES. \n" ); document.write( "D=45*1.882=84.7 MILES. \n" ); document.write( "84.7*2=169.4 MILES IS THE DISTANCE TRAVELED.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |