Solve the Problem Using Matrices

question 330

Multiple Choice

Solve the problem using matrices.
-Ellen wishes to mix candy worth $2.19 per pound with candy worth $7.87 per pound to form 22 pounds of a mixture worth $6.58 per pound. How many pounds of the more expensive candy should she use?

• A) 5 lb
• B) 17 lb
• C) 7 lb
• D) 22 lb

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Definitions:

Void Contract

An agreement that is not legally binding and is unenforceable by law, typically because it lacks one or more essential elements of a valid contract.

Incompetent

Lacking the necessary skills, abilities, or legal qualifications to perform a task or to stand trial.

Binding Agreement

A legally enforceable contract that obligates the parties involved to adhere to the terms outlined within the agreement.

Bilateral Contract

A contract involving two parties where each promises to perform an act in exchange for the other's act.