Solve the Problem Using Matrices $21 \%$ Copper to Make Jewelry $14 \%$

question 323

Multiple Choice

Solve the problem using matrices.
-Anne and Nancy use a metal alloy that is $21 \%$ copper to make jewelry. How many ounces of an alloy that is $14 \%$ copper must be mixed with an alloy that is $24 \%$ copper to form 100 ounces of the desired alloy?

• A) \(30 \mathrm { oz }\)
• B) \(70 \mathrm { oz }\)
• C) \(75 \mathrm { oz }\)
• D) \(32 \mathrm { oz }\)

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Conditions in a market that make it easy for new firms to enter, such as low startup costs or minimal regulations.

Oligopoly Market

A market structure characterized by a small number of large firms dominating the market, with significant barriers to entry for new competitors.

Marginal Revenue Curve

The marginal revenue curve represents the change in total revenue that results from selling one more unit of a product.

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