标题: math JJ ?3q3q [打印本页] 作者: licheng 时间: 2002-9-7 20:26 标题: math JJ ?3q3q
8、XX 在royalties上赚了$3million,and 在sale上赚了$20million.之后又在sale上赚了$108million,在royalties上赚了$90million.what's the ratio of royalties to sales declined?
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-147%
?
how is it reached?作者: tongxun 时间: 2002-9-7 22:09
i just confused with word 'declined',what on earth it modified here?, yes, the question asked the raio of something, but what?作者: tongxun 时间: 2002-9-8 00:16
等真正碰到此提是小心阅读!这里就当开阔思路吧。
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