SOLUTION: A silversmith combined pure silver that cost $17.60 per ounce with 110 oz of a silver alloy that cost $16.00 per ounce. How many ounces of pure silver were used to make an alloy of

Question 519470: A silversmith combined pure silver that cost $17.60 per ounce with 110 oz of a silver alloy that cost $16.00 per ounce. How many ounces of pure silver were used to make an alloy of silver costing $16.50 per ounce?
? oz
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
--------price ---------------- quantity
silver alloy 16 ---------------- 110 oz
silver 17.6 ---------------- x oz
Mixture 16.5 ---------------- 110 + x oz

16 *110 +17.6x= 16.5(110+x)
1760+17.6x=1815 +16.5x
17.6x+ -16.5 x = 1815 - -1760
1.1 x = 55
/ 1.1
x = 50
50 oz of silver
m.ananth@hotmail.ca

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