document.write( "Question 777491: A car leaves a town at 100 kilometers per hour. How long will it take a second car, travelling at 115 kilometers per hour, to catch the first car if it leaves 1 hour later? \n" ); document.write( "
Algebra.Com's Answer #474113 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A car leaves a town at 100 kilometers per hour. How long will it take a second car, travelling at 115 kilometers per hour, to catch the first car if it leaves 1 hour later? \n" ); document.write( "-------- \n" ); document.write( "1st Car DATA:: \n" ); document.write( "rate = 100 km/hr ; time = x hrs ; distance = 100x km \n" ); document.write( "--------------------- \n" ); document.write( "2nd Car DATA: \n" ); document.write( "rate = 115 km/hr ; time = x-1 hrs ; distance = 115x-115 km \n" ); document.write( "--------------------- \n" ); document.write( "Equation: \n" ); document.write( "distance = distance \n" ); document.write( "100x = 115x-115 \n" ); document.write( "5x = 115 \n" ); document.write( "x = 23 hours \n" ); document.write( "x-1 = 22 hours (time for 2nd car to catch 1st) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |