SOLUTION: How much tin and how much zinc must be added to 50lbs of an alloy containing 15% tin and 20% zinc to produce an alloy containing 25% tin and 30% zinc?
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Question 926214: How much tin and how much zinc must be added to 50lbs of an alloy containing 15% tin and 20% zinc to produce an alloy containing 25% tin and 30% zinc?
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
s, how much tin
z, how much zinc
Two linear equations in two unknowns.
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