On the first part of a 336-mile trip, a salesperson averaged 58 miles per hour. The
Chapter 2, Problem 56(choose chapter or problem)
On the first part of a 336-mile trip, a salesperson averaged 58 miles per hour. The salesperson averaged only 52 miles per hour on the last part of the trip because of an increased volume of traffic. The total time of the trip was 6 hours. Find the amount of time at each of the two speeds.
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