$\"\"$

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Library $\"\"$ has $\"\"$ novels, $\"\"$ biographies, and $\"\"$ children $\"\"$ s books.

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Library $\"\"$ has $\"\"$ novels, $\"\"$ biographies, and $\"\"$ children $\"\"$ s books.

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Library $\"\"$ has $\"\"$ novels, $\"\"$ biographies, and $\"\"$ children $\"\"$ s books.

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a.

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Write each library $\"\"$ s number of books as a matrix.

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Label the matrices $\"\"$ , $\"\"$ , and $\"\"$ .

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Library $\"\"$ : $\"\"$ , Library $\"\"$ : $\"\"$ and Library $\"\"$ : $\"\"$ .

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$\"\"$

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b.

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Find the total number of each type of book in all $\"\"$ libraries.

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The store owner has decided that all of the prices must be increased by $\"\"$ .

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Total is $\"\"$ .

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$\"\"$ .

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The total number of each type of book in all $\"\"$ libraries is $\"\"$ . $\"\"$

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c.

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Find how many more books of each type does Library $\"\"$ have than Library $\"\"$ .

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ many more books of each type does Library $\"\"$ have than Library $\"\"$ .

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$\"\"$

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d.

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Find $\"\"$ .

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$\"\"$

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$\"\"$ .

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The sum represents the combined size of the two libraries.

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$\"\"$

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a. Library $\"\"$ : $\"\"$ , Library $\"\"$ : $\"\"$ and Library $\"\"$ : $\"\"$ .

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b. The total number of each type of book in all $\"\"$ libraries is $\"\"$ .

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c. $\"\"$ many more books of each type does Library $\"\"$ have than Library $\"\"$ .

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d. $\"\"$ .