6th Grade Concentration Problems: Problem 3

Problem: In Liquid A, there is 4 kilograms of alcohol. In Liquid B, there is 6 kilograms of alcohol. After combining the two liquids, 62% of the substance was alcohol. If the amount of alcohol Liquid A and B each contributed was the same, then 61% of the substance would be alcohol. What percent of both Liquid A and B was alcohol at first?

Key: Split into two different combinations

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