A bar of metal contains 20% silver and another bar contains 12% silver. How many grams off each must be taken to make a 40 gram bar containing 14 1/2% silver?
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A bar of metal contains 20% silver and another bar contains 12% silver. How many grams off each must be taken to make a 40 gram bar containing 14 1/2% silver?
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a bar of metal is 20(७५४mhj
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