
Concept explainers
(a)
To Find: The matrix that represent the amount sold for each of the class and a matrix that shows the amount of money that the school earns for the each item sold.
(a)

Answer to Problem 97STP
The required matrix are
Explanation of Solution
Given:
The given data is shown in Table 1
Table 1
Class | Wrapping Paper | Cards |
Freshmen | 72 | 49 |
Sophomores | 68 | 63 |
Juniors | 90 | 56 |
Seniors | 86 | 62 |
The school gets
Calculation:
The form from the given table is,
The next set of matrix is,
(b)
To Find: The matrix that shows the amount that each of the class earns.
(b)

Answer to Problem 97STP
The required matrix is
Explanation of Solution
Obtain the number of class as,
(c)
To Find: The class that earns the most money.
(c)

Answer to Problem 97STP
The amount that the junior earns is
Explanation of Solution
Consider the matrix is
The matrix shows that the amount that the junior earns is
(d)
To Find: The amount of money that the school made from the fund raiser.
(d)

Answer to Problem 97STP
The school made the total amount of
Explanation of Solution
The total amount made by the school is,
Chapter 5 Solutions
Algebra 2
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A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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