document.write( "Question 876993: two cars leave the same city at the same time.Both traveling opposite directions. One car is traveling 5 miles faster than the other. After 3 hours both two cars are 393 miles apart. Find the speed of both cars. \n" ); document.write( "
Algebra.Com's Answer #529092 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! two cars leave the same city at the same time.Both traveling opposite directions. One car is traveling 5 miles faster than the other. After 3 hours both two cars are 393 miles apart. Find the speed of both cars. \n" ); document.write( "================== \n" ); document.write( "\"Both traveling opposite directions.\" ?? Think about that. \n" ); document.write( "Try \"traveling in opposite directions.\" \n" ); document.write( "------------- \n" ); document.write( "If they go in opposite directions, their speeds are added. \n" ); document.write( "-- \n" ); document.write( "d = r*t \n" ); document.write( "r = d/t = 393/3 \n" ); document.write( "The sum of their speeds = 131 mi/hr \n" ); document.write( "The difference is 5 mi/hr \n" ); document.write( "--- \n" ); document.write( "r1 + r2 = 131 \n" ); document.write( "r1 - r2 = 5 \n" ); document.write( "---------------- Add \n" ); document.write( " \n" ); document.write( " |