SOLUTION: How many ounces of a silver alloy that costs $5.50 per ounce should be mixed with one that costs $9.00 per ounce to make a new 30-ounce alloy that costs $7.60 per ounce?

Question 754290: How many ounces of a silver alloy that costs $5.50 per ounce should be mixed with one that costs $9.00 per ounce to make a new 30-ounce alloy that costs $7.60 per ounce?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
How many ounces,u of a nameOfMetal alloy that costs $L per ounce should be mixed with v ounces that costs $H per ounce to make a new M ounce alloy that costs $T per ounce?

This is the same general mixture problem like so many others of the same form.

and
Solve this system for u and v.
and from the material balance v=M-u so substitute.

Multiply both sides by negative 1.

and continuation to solve for v will use similar skills.
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