document.write( "Question 461397: a truck enters a highway driving 60 mph. a car enters the highway at the same place 7 minutes later and drives 65 mph in the same direction. from the time the car enters the highway, how long will it take the car to pass the truck? \n" ); document.write( "
Algebra.Com's Answer #316411 by rwm(914)![]() ![]() ![]() You can put this solution on YOUR website! The car is gaining on the truck at 5 mph. In those 7 minutes the truck went \n" ); document.write( "60*7/60=7 miles \n" ); document.write( "so we need to find out how long it will take for the car to gain 7 miles \n" ); document.write( "5t=7 \n" ); document.write( "t=7/5=1 2/5=1.4 hours\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |