Question: You need a 85% alcohol solution. On hand, you have a 65 mL of a 30% alcohol mixture. You also have 90% alcohol mixture.

You need a 85% alcohol solution. On hand, you have a 65

You need a 85% alcohol solution. On hand, you have a 65 mL of a 30% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution?

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