Mock CIMC 2023 Part A - Question 3

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Difficulty: 3

This problem is tagged with cimc, mockcimc23, highschool.

A train departs from Town $A$ to Town $B$ at a speed of $60$ km/h. It then returns from Town $B$ to Town $A$ at a speed of $75$ km/h. However, on its return journey, the train encounters a detour that slows it down to $45$ km/h for the final $30$ km. If the total round trip time is $3$ hours, what is the distance between Town $A$ and Town $B$? Round your answer to the nearest integer.

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