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Peter and Gavin had some distance away, if they relative to walk at the same time, it took 2 minutes to meet. If they walking at the same direction and the same time, it would took Peter 10 minutes to chase up.
Gavin walk 80 feet per minutes and how many distance would Peter walk per minutes?
Peter和Gavin相距一段距离，如果他们同时相向而行，2分钟就可相遇，如果他们同时同向而行，Peter10分钟可追上Gavin。已知Gavin每分钟走80米，那么Peter每分钟走多少米？
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