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[Problem Solving]
试题详情
题目：
Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day. If r percent of the store's revenue from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of Newspaper A, which of the following expresses r in terms of p?
选项:
A、
B、
C、
D、
E、
答案:
D
提问：
解答：
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阅读1922
提问：
老师，这道题没明白是什么意思，题目和解答能一起讲一下吗
解答：
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阅读1977
提问：
解答：
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阅读1923
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