SOLUTION: A silversmith combined pure silver that cost $17.80 per ounce with 50 oz of silver alloy that cost $8.50 per ounce. How many ounces of pure silver were used to make an alloy of sil
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Question 764073: A silversmith combined pure silver that cost $17.80 per ounce with 50 oz of silver alloy that cost $8.50 per ounce. How many ounces of pure silver were used to make an alloy of silver costing $15.30 per ounce? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = ounces of pure silver needed = cost in dollars of pure silver = cost in dollars of 50 oz of silver alloy
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136 ounces of pure silver are needed
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