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You need a 70% alcohol solution. On hand, you have a 300 mL of a 50% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired solution?

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Math Problems. 73) A bank loaned out $14,500, part of it at the rate of 6% annual interest, and the rest at 5% annual interest. The total interest earned for both loans was $775.00. How much was loaned at each rate? was loan at 6% was loan at 5% 74) You need a 70% alcohol … Read more