A chemist creates 230 milliliters of a 42.5% alcohol solution by combining a 30 % alcohol solution with a 55 %


A chemist creates 230 milliliters of a 42.5% alcohol solution by combining a 30 % alcohol solution
with a 55 % alcohol solution. If x represents the amount of the 30 % alcohol solution used and y
represents the amount of the 55 % alcohol solution used, which of the following equations model
the given infromation?


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