SOLUTION: Solve by using the strategies for solving application problems.
A jeweler wants to make a silver alloy to be used to make necklaces. How many ounces of a silver alloy that costs
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Question 990277: Solve by using the strategies for solving application problems.
A jeweler wants to make a silver alloy to be used to make necklaces. How many ounces of a silver alloy that costs $4.50 per ounce should be mixed with one that costs $9.00 per ounce to make a new 40-ounce alloy that costs $8.10 per ounce?
$4.50 grade _________ oz
$9.00 grade _________ oz
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Same idea, different example:
http://www.algebra.com/my/mixture-price-two-part-both-parts-unknown.lesson?content_action=show_dev
You could alter the method so that ONE variable only is needed.
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