Question
4 students rented 3 fishing rods from 4.20 p.m. to 4.40 p.m. and took turns to fish on them. At any time, 3 of them fished using the fishing rods while the other student watched. If each of them had the same amount of time to fish, how many minutes did each student get?
2 m

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4 students rented 3 fishing rods from 4.20 p.m. to 4.40 p.m. and took turns to fish on them. At any time, 3 of them fished using the fishing rods while the other student watched. If each of them had the same amount of time to fish, how many minutes did each student get?