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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Algebra.Com's Answer #157570 by rfer(16322)\"\" \"About 
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The car gains distance at 12 mph
\n" ); document.write( "The truck is 7.2 miles ahead of the car
\n" ); document.write( "7.2/12=0.6 hr or 36 min
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