document.write( "Question 208301: A truck enters a highway driving 60 mph. A car enters the highway at the same place 7 minutes later and drives 72 mph in the same direction.\r
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document.write( "From the time the car enters the highway, how long will it take the car to pass the truck? \n" );
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Algebra.Com's Answer #157569 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A truck enters a highway driving 60 mph. A car enters the highway at the same place 7 minutes later and drives 72 mph in the same direction. \n" ); document.write( "From the time the car enters the highway, how long will it take the car to pass the truck? \n" ); document.write( "----------- \n" ); document.write( "60 mph is 1 mile per minute, so the truck is 7 miles ahead when the car enter. \n" ); document.write( "The car is gaining on the truck 1t 12 mph (72-60). \n" ); document.write( "7 miles at 12 mph will take 35 minutes. \n" ); document.write( " |