You need a 50% alcohol solution. On hand, you have a 220 mL of a 40% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution?

You will need mL of the 70% solution to obtain _ mL of the desired 50% solution.

Question

06-12-2022
Mathematics

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You need a 50% alcohol solution. On hand, you have a 220 mL of a 40% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution?

You will need mL of the 70% solution to obtain _ mL of the desired 50% solution.

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