Mixture contains 25% alcohol, Mixture
contains 10% alcohol, and Mixture
contains 15% alcohol. If
liters of Mixture
,
liters of Mixture
, and
liters of Mixture
are mixed to give
liters of mixture that contain 20% alcohol, what is
in terms of
and
?
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数学PS
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-
A
-
B
-
C
-
D
-
E
显示答案
正确答案: E