prepare models using matrices to solve simple mixture problems​

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Answer:

Answer:

A matrix is sort of like a “box” of information where you are keeping track of things both right and left (columns), and up and down (rows). Usually a matrix contains numbers or algebraic expressions. You may have heard matrices called arrays, especially in computer science.

As an example, if you had three sisters, and you wanted an easy way to store their age and number of pairs of shoes, you could store this information in a matrix. The actual matrix is inside and includes the brackets:

Step-by-step explanation:

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