The unit rate is equal to 50 miles per hour.
What is speed?
Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance.
Given that John drives 200 miles in 4 hours. The rate will be calculated by dividing the distance traveled by the total time.
Speed = Distance / Time
Speed = 200 / 4
Speed = 50 Miles per hour
Therefore the unit rate is equal to 50 miles per hour.
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