SOLUTION: how many grams of pure gold must be added to one hundred grams of a twenty percent gold alloy to make an alloy that is thirty six percent gold?
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Question 577139: how many grams of pure gold must be added to one hundred grams of a twenty percent gold alloy to make an alloy that is thirty six percent gold?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
There are 20 grams of pure gold in 100 grams of 20% alloy. There are 
grams of pure gold in grams of pure gold, and we want to have 36 grams of pure gold in 
grams of 36% alloy.
So:
)
Solve for 
John
My calculator said it, I believe it, that settles it
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