Mathematics, 30.12.2020 19:40 Dracopaul03
An ammonia and water mixture fills a five-gallon container. Eighty percent of the mixture is ammonia, but some of the mixture will be drained and replaced with pure water. If a five-gallon mixture of fifty percent ammonia is desired, how many quarts of the mixture need to be drained before the water is added, given that 4 quarts equals a gallon
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An ammonia and water mixture fills a five-gallon container. Eighty percent of the mixture is ammonia...
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