SOLUTION: 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?
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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
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= 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
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