Two outlets sell notebooks and calculators. The sales matrix is \(S=\begin{pmatrix}16&8\ 11&18\end{

Question

Two outlets sell notebooks and calculators. The sales matrix is $S=\begin{pmatrix}16&8\ 11&18\end{pmatrix}$. Rows represent Outlet 1 and Outlet 2, in that order; columns represent notebooks and calculators. Each entry is the number sold. The price column is $P=\begin{pmatrix}18\ 25\end{pmatrix}$, in dollars per item and in the same product order. Evaluate $SP$.[2] State what each entry of $SP$ represents.[1]

Accepted Answer

(a) $\begin{pmatrix}488\ 648\end{pmatrix}$ (b) Revenue is $\$488$ for Outlet 1 and $\$648$ for Outlet 2.

Sales revenue from quantities and prices

Sales revenue from quantities and prices

Solution:

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