Two outlets sell notebooks and calculators. Their sales matrix is \(S=\begin{pmatrix}16&8\10&18\end

Question

Two outlets sell notebooks and calculators. Their sales matrix is $S=\begin{pmatrix}16&8\10&18\end{pmatrix}$, where columns represent notebooks and calculators. The price matrix is $P=\begin{pmatrix}18\25\end{pmatrix}$. Evaluate $SP$. State what each entry of $SP$ represents.

Accepted Answer

(a) $\begin{pmatrix}488\630\end{pmatrix}$; (b) outlet revenues in dollars.

Sec 3/4 E Math Mock 1-Q24 - Mock Paper 1: Using matrices to calculate sales revenue

Sec 3/4 E Math Mock 1-Q24 - Mock Paper 1: Using matrices to calculate sales revenue

Solution:

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