SOLUTION: In an alloy of copper and tin, there is 85% of copper. How much of this alloy do you need in order to get 1 13/32lb of tin

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Question 1061497: In an alloy of copper and tin, there is 85% of copper. How much of this alloy do you need in order to get 1 13/32lb of tin
Answer by jorel555(1290)   (Show Source): You can put this solution on YOUR website!
If the alloy is 85% copper, then it is 15% tin. So:
15n/100=45/32
4500=480n
n=9.375 lbs. of alloy to get 1.40625 lbs of tin. ☺☺☺☺

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