You need 320 mL of a 30% alcohol solution. On hand, you have a 15% alcohol mixture and a 55% alcohol mixture. How much of each mixture will you need to obtain the desired solution? You will need mL of the 15% solution and mL of the 55% solution.​

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a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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