Mathematics, 13.06.2020 00:57 Randomkid0973

Andrea has 800L of acid solution. She obtained it by mixing some 7% acid with some 10% acid. Her final mixture of 800L is 9.25% acid. How much of the 7% and 10% solutions did she use to make her finalmixture?

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Andrea has 800L of acid solution. She obtained it by mixing some 7% acid with some 10% acid. Her fin...

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