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Home > PC > Chapter 7 > Lesson 7.3.3 > Problem 7-126

7-126.

Excluding breaks, it took Chun a total of hours to bike to a cousin’s home and return. On the way, Chun biked alone and averaged mph. On the way back, with his cousin, he averaged mph. How many miles was it to his cousin’s home?  

(rate)(time) distance

Since the distance to the house is the same as the distance from the house:

where time spent traveling to the house