Question 277600
A car averaged 30 MPH for the first mile of a 2 mile trip.
 How fast would it have to travel for the second mile of the trip, in order to average 60 miles per hour for the whole trip? 
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Impossible, in order to average 60 mph, you have to do it in 2 min (1 mi/min)
It takes 2 min to drive 1 mi at 30 mph,  You are out of time!