document.write( "Question 907182: at exactly 12:00 pm two cars heading in opposite directions are aligned in parallel lanes of a highway. One car is moving 45 mph the other 55 mph. At what time will the cars be 20 miles apart? \n" ); document.write( "
Algebra.Com's Answer #550179 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 20=45*t+55*t \n" ); document.write( "20=100*t \n" ); document.write( "t=0.2 hours 12 minutes 12:12 pm \n" ); document.write( "d=R*t \n" ); document.write( "d=55*0.2 \n" ); document.write( "d=11.0 miles at 55 kph \n" ); document.write( "d=r*t \n" ); document.write( "d=45*0.2 \n" ); document.write( "d=9.0 miles at 45 kph \n" ); document.write( " \n" ); document.write( " |