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某国营农场的耕地分甲、乙、丙三个区，已知甲区的2/5等于乙区的1/2，乙、丙两区之比是4：3，且甲、乙两区的地积比乙、丙两区的地积多102公顷，问丙区有耕地多少公顷?
　　A.250　　　　B.153　　　　C.116　　　　D.85

A.85
【参考答案】

根据甲区耕地的2/5等于乙区耕地的1/2，可得甲区与乙区耕地的地积之比为1/2：2/5＝5：4；又乙区与丙区耕地的地积之......

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