document.write( "Question 154757This question is from textbook college algebra ninth edition
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document.write( ": Two cars leave a gas station travling in opposite directions. One car travels at 60 mph and the other at 64 mph. In how many hours will they be 310 miles apart? \n" );
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Algebra.Com's Answer #113953 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Two cars leave a gas station traveling in opposite directions. One car travels at 60 mph and the other at 64 mph. In how many hours will they be 310 miles apart? \n" ); document.write( "-------------- \n" ); document.write( "1st car DATA: \n" ); document.write( "distance = x miles ; rate = 60 mph ; time = x/60 hrs. \n" ); document.write( "----------------- \n" ); document.write( "2nd car DATA: \n" ); document.write( "distance = 310-x miles ; rate = 64 mph ; time = (310-x)/64 hrs. \n" ); document.write( "----------------- \n" ); document.write( "EQUATION: \n" ); document.write( "time = time \n" ); document.write( "x/60 = (310-x)/64 \n" ); document.write( "64x = 60(310-x) \n" ); document.write( "124x = 60*310 \n" ); document.write( "x = 150 \n" ); document.write( "1st car time: 150*60 = 15/6 = 5/2 = 2 1/2 hrs \n" ); document.write( "2nd car time is the same. \n" ); document.write( "--------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |