2 某學生餐廳午餐供應 15 道菜，其中半葷素占 2/3，預計總用餐人數為 500 人，每位學生可選二道半葷素的菜餚，則每道半葷素的菜餚需製備幾人份？(A)100 人份(B)150 人份(C)200

問題詳情

2 某學生餐廳午餐供應 15 道菜，其中半葷素占 2/3，預計總用餐人數為 500 人，每位學生可選二道半葷素的菜餚，則每道半葷素的菜餚需製備幾人份？
(A)100 人份
(B)150 人份
(C)200 人份
(D)300 人份

參考答案

答案：A
難度：適中0.541254
統計：A(164),B(69),C(56),D(5),E(0)

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