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英语奥数题Twelve friends met for dinner at Oscar's Overstuffer Ho

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英语奥数题
Twelve friends met for dinner at Oscar's Overstuffer House,and each ordered one meal.The portions were so large,there was enough food for 18 people.If they share,how many meals should they have just enough food for 12 of them?
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英语奥数题Twelve friends met for dinner at Oscar's Overstuffer Ho
12个朋友在Oscar's Overstuffer饭馆聚餐。他们每人都点了一份饭菜。但是,点的饭菜是分量太大,足够18个人吃了。如果他们分餐的话,那么他们应该买多少份饭菜就够他们12个人吃的呢?
12个人买了18个人的饭菜,那么每份饭菜够1.5个人吃的。要够12个人吃的,那么买8份就够了。