SOLUTION: A silversmith combined pure silver that cost $17.80 per ounce with 50 oz of silver alloy that cost $8.50 per ounce. How many ounces of pure silver were used to make an alloy of sil

Question 764073: A silversmith combined pure silver that cost $17.80 per ounce with 50 oz of silver alloy that cost $8.50 per ounce. How many ounces of pure silver were used to make an alloy of silver costing $15.30 per ounce?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of pure silver needed
= cost in dollars of pure silver
= cost in dollars of 50 oz of silver alloy
-------------------

136 ounces of pure silver are needed
check:

OK
RELATED QUESTIONS
A silversmith combined pure silver that cost $16.30 per ounce with 50 oz of a silver... (answered by richwmiller)

A silversmith combined pure silver that cost $16.60 per ounce with 50 oz of a silver... (answered by josgarithmetic)

A silversmith combined pure silver that cost $15.40 per ounce with 60 oz of a silver... (answered by richwmiller)

I need to know how to set this problem up.... A silversmith combined pure silver that... (answered by ankor@dixie-net.com)

A silversmith combined pure silver that cost $17.60 per ounce with 110 oz of a silver... (answered by mananth)

A goldsmith combined pure gold that cost $ 1475 per ounce with an alloy of gold that cost (answered by josgarithmetic)

A goldsmith combined pure gold that cost $400 per ounce with an alloy of gold that costs... (answered by rfer)

A silversmith combines 40 oz. of pure silver that costs $8.00 per ounce with 200 oz. of a (answered by tutorcecilia)

QUESTION #22 A SILVERSMITH COMBINES 40 OZ OF PURE SILVER THAT COSTS $8.00 PER OUNCE WITH (answered by checkley77)