document.write( "Question 613968: Two cars leave town at the same time traveling in opposite directions. One car travels at 50 km per hour and the other travels at 55 km per hour. In how many hours will they be 420 km apart? \n" ); document.write( "
Algebra.Com's Answer #386351 by orangetiger8884(3)![]() ![]() ![]() You can put this solution on YOUR website! 1 hour = 55 km + 50 km = 105 km \n" ); document.write( "2 hours = 105 km + 105 km(55km +50km)=210 km \n" ); document.write( "3 hours = 210 km + 105 km = 315 km \n" ); document.write( "4 hours = 315 km + 105 km = 420 km \n" ); document.write( "it will be four hours til they are 420 km apart \n" ); document.write( " |