Mathematics, 19.09.2019 03:30, officialkk

John took a 5 1/4 mile walk to his friends house. he left at 11 a. m. and arrived at his friends house at 1 p. m. what was his average speed of walking? if the return trip took a half hour longer, how much lower was his average speed on the return trip than on the trip to his friends house?

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John took a 5 1/4 mile walk to his friends house. he left at 11 a. m. and arrived at his friends hou...