Question
5 students rented 4 computers from 8.20 p.m. to 8.55 p.m. and took turns to play games on them. At any time, 4 of them played on the computers while the other student watched. If each of them had the same amount of playing time, how many minutes did each student get?
2 m

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5 students rented 4 computers from 8.20 p.m. to 8.55 p.m. and took turns to play games on them. At any time, 4 of them played on the computers while the other student watched. If each of them had the same amount of playing time, how many minutes did each student get?