Posted by **tyler** on Tuesday, August 21, 2012 at 9:36pm.

While doing some interval training, a runner runs a distance interval at a pace of 4.00 m/s. She then runs the next interval at 4.500 m/s and the last interval at 5.500 m/s. Assuming each interval is exactly 125. m, what is her average speed for this workout?

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