It takes Joey the postman $1$ hour to run $3$ mile long route every day. He delivers packages and then returns to

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BTGmoderatorLU: Moderator; Posts: 2554; Joined: Sun Oct 15, 2017 1:50 pmFollowed by: 6 members

by BTGmoderatorLU » Thu Nov 21, 2024 10:45 am

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It takes Joey the postman $1$ hour to run $3$ mile long route every day. He delivers packages and then returns to the post office along the same path. If the average speed of the round trip is $5$ mile/hour, what is the speed with which Joey returns?

A. $11$
B. $12$
C. $13$
D. $14$
E. $15$

The OA is E

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Source: Beat The GMAT — Problem Solving | Thu Nov 21, 2024 10:45 am

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