Question 913696: An alloy of tin and copper contains 16% tin. How much tin (to the nearest tenth) must be added to make 820 pounds of alloy that is 18% tin? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! The wording is VERY confusing, and I have done
many, many of this exact type of problem- nuf said
-------------- = pounds of tin in 16% alloy
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Let = pounds of pure tin to be added
20 pounds of tin must be added to
the 16% alloy
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check:
OK