document.write( "Question 902311: Two cars leave Kansas City at the same time. One travels East, and the other West. After 3 hours, the cars are 369 miles apart. If one car travels 7 MPH slower than the other, find the speed of each car. \n" ); document.write( "
Algebra.Com's Answer #547220 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Two cars leave Kansas City at the same time. One travels East, and the other West. After 3 hours, the cars are 369 miles apart. If one car travels 7 MPH slower than the other, find the speed of each car. \n" ); document.write( "*** \n" ); document.write( "let x=speed of faster car \n" ); document.write( "x-7=speed of slower car \n" ); document.write( "distance=traveltime*speed \n" ); document.write( " \n" ); document.write( "3x+3x-21=369 \n" ); document.write( "6x=390 \n" ); document.write( "x=65 \n" ); document.write( "x-7=58 \n" ); document.write( "speed of faster car=65 mph \n" ); document.write( "speed of slower car=58 mph \n" ); document.write( " |