SOLUTION: How much pure gold (24 karat) must be mixed with 60% gold to get 20 grams of 75% pure gold? I'm not necessarily asking for the answer but how to set up the equation to solve for it

Question 997356: How much pure gold (24 karat) must be mixed with 60% gold to get 20 grams of 75% pure gold? I'm not necessarily asking for the answer but how to set up the equation to solve for it.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = grams of pure gold needed
Let = grams of 60% gold needed
--------------------------------
(1)
(2)
-------------------------
There are 2 equations and 2 unknowns,
so it's solvable
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