document.write( "Question 297367: Two cars leave city A at the same time to travel to City B. One car travels at 72 km/h and the other at 78 km/h. If the slower car arrives 20 minutes after the faster car, how far apart are City A and City B? \n" ); document.write( "
Algebra.Com's Answer #214157 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=72(T+1/3) \n" ); document.write( "D=78T \n" ); document.write( "72(T+1/3=78T \n" ); document.write( "72T+24=78T \n" ); document.write( "72T-78T=-24 \n" ); document.write( "-6T=-24 \n" ); document.write( "T=-24/-6 \n" ); document.write( "T=4 HOURS. \n" ); document.write( "D=78*4 \n" ); document.write( "D=312 MILES. ANS. \n" ); document.write( "312=72(4+1/3) \n" ); document.write( "312=288+24 \n" ); document.write( "312=312 \n" ); document.write( " |