Chemistry, 31.08.2019 23:30, madiburnss

Achemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20 qt of a 40% salt solution. how many quarts of each solution should the teacher mix to get the desired result?

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Achemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20 qt of a 40%...