at least how many dogs do i own if more than half dogs are male, and more than 40% are female.怎么做啊?
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Answer:7 dogs.
4 male dogs = 57% ---- satisfies the condition that more than half dogs are male
3 female dogs = 43% ---- satisfies the condition that more than 40% are female
======以下答案可供参考======
供参考答案1:
雄性狗数量大于一半，雌狗数量大于40%，至少需要多少只狗？