A cinema sells standard and premium tickets on two days. The numbers sold are represented by S = \begin{pmatrix}120 & 80\\150 & 70\end{pmatrix}. Standard tickets cost \$18 and premium tickets cost \$25. The total money collected over the two days is \$?. Which of the following gives this total using matrix multiplication?

(1\ 1)S\begin{pmatrix}18\\25\end{pmatrix}

S\begin{pmatrix}18\\25\end{pmatrix}

\begin{pmatrix}18\\25\end{pmatrix}S

(1\ 1)\begin{pmatrix}18\\25\end{pmatrix}S

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Matrix multiplication

E Math · Secondary 4 · Medium · Matrix multiplication

A cinema sells standard and premium tickets on two days. The numbers sold are represented by

S = \begin{pmatrix}120 & 80\\150 & 70\end{pmatrix}.

Standard tickets cost \8 and premium tickets cost \$25. The total money collected over the two days is

\$?

. Which of the following gives this total using matrix multiplication?

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