SOLUTION: A goldsmith has two alloys that are different purities of gold. The first is three-fourthspure gold and the second is five-twelfths pure gold. How many ounces of each should be m
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Question 129650This question is from textbook Introductory Algebra
: A goldsmith has two alloys that are different purities of gold. The first is three-fourthspure gold and the second is five-twelfths pure gold. How many ounces of each should be melted and mixed in order to obtain a 6-oz mixture that is two-thirds pure gold?
This question is from textbook Introductory Algebra
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the amount of the 1st alloy used in ounces
Let = the amount of the 2nd alloy used in ounces
multiply both sides by 6
multiply both sides by 12
Use 4.5 oz of the 3/4 gold and 1.5 oz of the 5/12 gold
check
close enough
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