SOLUTION: Sally needs 9lb of metal with 53% silver. If Sally combines one metal with 22% silver, and another with 79% silver, how much of each metal does Sally need?
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Question 1038341: Sally needs 9lb of metal with 53% silver. If Sally combines one metal with 22% silver, and another with 79% silver, how much of each metal does Sally need? Answer by josgarithmetic(39618) (Show Source):
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