Problem Solving (PS) | Mrs. Jordan visited a certain city. She travelled the entire distance

Mrs. Jordan visited a certain city. She traveled the entire distance at an average speed of 45km per hour. If 2/3 of the total distance was traveled at an average speed of 50km per hour, what was the average speed for the remaining distance?

A. 12.5km/hr
B. 25km/hr
C. 37.5km/hr
D. 40km/hr
E. 55km/hr

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