Question 409499
a truck enters a highway driving 60mph. a car enters at the same place 13 minuites later and drives 69mph in the same direction. how long does it take for the car to pass the truck?
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The truck goes 13 miles in 13 minutes (60 * 13/60)
The car gains on the truck at 9 mph (69 - 60)
13 miles/9 mph = 13/9 hours