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Use matrix multiplication to answer an application question

Question 1 of 8

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The matrices show seed packets sold at garden-centre registers. Matrix \(A\) records packets sold for each register. Matrix \(B\) records the value for one unit of each seed type

A: Packets sold

Rows, in order: Front register, Nursery register, Outdoor register

Columns, in order: Herb seeds, Flower seeds

A = \begin{bmatrix} 2 & 1 \\ 4 & 2 \\ 3 & 2 \end{bmatrix}

B: value for one unit of each seed type

Rows, in order: Herb seeds, Flower seeds

Columns, in order: Sales value

B = \begin{bmatrix} \$1.71 \\ \$1.37 \end{bmatrix}