document.write( "Question 957202: Two cars leave calgary at the same time, travelling in opposite directions. Their average speeds differ by 5km/h. After 2 h, they are 370 km apart find the speed of the fastest car. \n" ); document.write( "
Algebra.Com's Answer #584832 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Two cars leave calgary at the same time, travelling in opposite directions. Their average speeds differ by 5km/h. After 2 h, they are 370 km apart find the speed of the fastest car. \n" ); document.write( "*** \n" ); document.write( "let x=speed of faster car \n" ); document.write( "x-5=speed of slower car \n" ); document.write( "speed at which the 2 cars are moving away from each other=sum of their speeds=x+(x-5)=2x-5 \n" ); document.write( "speed=distance/travel time \n" ); document.write( "2x-5=370/2=185 \n" ); document.write( "2x=190 \n" ); document.write( "x=95 \n" ); document.write( "speed of the fastest car=95 km/h \n" ); document.write( " \n" ); document.write( " |