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A company makes mixtures of acetic acid and water such that the acetic acid is 15% of the total mass (weight) of the mixture. Let A be an unspecified number of grams of acetic acid, which can vary, and let W be the corresponding number of grams of water in this type of mixture. Reason about quantities and use math drawings to find and explain at least two different equations that relate A and Wand do not include any other variables.
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