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Mathematics, 06.11.2020 16:40 QueenLife4869

A jet ski left port B traveling towards port A, at the same time a raft started traveling from port A towards port B. The jet ski and the raft met each other 4 hours after the departure, and 20 minutes later the jet ski reached port A. How long does it take for the raft to cover the distance between ports A and B?

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