Mathematics, 07.07.2019 06:10 VamPL

You need a 45% alcohol solution. on hand, you have a 350 ml of a 15% 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

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You need a 45% alcohol solution. on hand, you have a 350 ml of a 15% alcohol mixture. you also have...