document.write( "Question 179478: 2 cars 1029 miles apartheading toward each other. one is going 45 mph the other is going 53 mph. how many hours before the cars pass each other? \n" ); document.write( "
Algebra.Com's Answer #134419 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Apply the distance formula: \n" ); document.write( "d = rt \n" ); document.write( "where \n" ); document.write( "d is distance \n" ); document.write( "r is rate or speed \n" ); document.write( "t is time \n" ); document.write( ". \n" ); document.write( "They will pass each other when the total miles equal 1029. \n" ); document.write( ". \n" ); document.write( "Let t = hours before they will pass each other \n" ); document.write( "then \n" ); document.write( "45t + 53t = 1029 \n" ); document.write( "98t = 1029 \n" ); document.write( "t = 1029/98 \n" ); document.write( "t = 10.5 hours \n" ); document.write( " |