想大神解释下这道economics 题目
if both apples and oranges are economic goods a consumer will necessarily refer a
a) combination of 10 apples and 10 oranges to one of 12 apple and 12 oranges
b) combination of 10apples and 50 oranges to one of 11 apples and 8 oranges
c) combination of 100 apples and 9 oranges to one of 10 apples and 10 oranges
d) combination of 10 apples and 10 oranges to one of 9 apples and 8 oranges
answer is d)
不明白为什么答案是d
是这么得出来的?
a) combination of 10 apples and 10 oranges to one of 12 apple and 12 oranges
b) combination of 10apples and 50 oranges to one of 11 apples and 8 oranges
c) combination of 100 apples and 9 oranges to one of 10 apples and 10 oranges
d) combination of 10 apples and 10 oranges to one of 9 apples and 8 oranges
answer is d)
不明白为什么答案是d
是这么得出来的?
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