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A chemist creates `200` milliliters of a `45 %` alcohol solution by combining a `25 %` alcohol solution with a `65 %` alcohol solution. If `x` represents the amount of the `25 %` alcohol solution used and `y` represents the amount of the `65 %` alcohol solution used, which of the following could be used to model the given information?


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X
MathQuill
   x  x  √  n√  |   | (   ) π ∞ DNE
   x  √  (   ) π ∞ DNE
( ) ( ] [ ) [ ] —∞ ∞ ∪ DNE
< > ≤ ≥ or All Real Numbers DNE
log logn ln n√  | | e 
sin cos tan arcsin arccos arctan ⟨ ⟩
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