SOLUTION: A goldsmith has two alloys that are different
purities of gold. The first is three-fourths pure gold
and the second is five-twelfths pure gold. How many
ounces of each should be
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Question 874916: A goldsmith has two alloys that are different
purities of gold. The first is three-fourths pure gold
and the second is five-twelfths pure gold. How many
ounces of each should be melted and mixed in order to obtain a 6oz mixture that is two-thirds pure gold?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Two-Part Mixture Problem, using rational fractions as concentration values.
Let u = the lower gold content alloy
Let v = the higher gold content alloy
and .
Two linear equations in two unknown variables.
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