document.write( "Question 149269: Car A and car B are traveling in the same direction. Car A is traveling at a constant velocity of 60 mph. and car B is traveling at a constant velocity of 75mph. \r
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document.write( "If car A reaches mile marker M 4 minutes after car B, how much time will elapse between the time that car A reaches mile marker M, and the time that the cars are 20 miles apart? \n" );
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Algebra.Com's Answer #109537 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Car A and car B are traveling in the same direction. Car A is traveling at a constant velocity of 60 mph. and car B is traveling at a constant velocity of 75mph. \n" ); document.write( ": \n" ); document.write( "If car A reaches mile marker M 4 minutes after car B, how much time will elapse between the time that car A reaches mile marker M, and the time that the cars are 20 miles apart? \n" ); document.write( ": \n" ); document.write( "When car A reaches the M marker, car B will have traveled \n" ); document.write( " \n" ); document.write( "The relative speed between the two cars: 75 - 60 = 15 mph \n" ); document.write( ": \n" ); document.write( "Think of car A being stationary, car B is 5 mi away traveling at 15 mph \n" ); document.write( ": \n" ); document.write( "How long would it take Car B to travel another 15 mi at 15 mph? \n" ); document.write( ": \n" ); document.write( "They will be 20 mi apart in 1 hr from the time Car A is at the marker\r \n" ); document.write( "\n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |