SOLUTION: A 20 oz. Alloy of platinum that costs $220 per ounce is mixed with an alloy that costs $400 per ounce. How many ounces of the $400 alloy should be mixed with the 20 oz. Alloy to ma
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Question 371797: A 20 oz. Alloy of platinum that costs $220 per ounce is mixed with an alloy that costs $400 per ounce. How many ounces of the $400 alloy should be mixed with the 20 oz. Alloy to make an alloy that costs $300 per ounce?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of $400 alloy.
Divide both sides by ,
ounces
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