(a)[1]
Adam purchases $5$ cinema tickets and $4$ theatre tickets, while Ben purchases $7$ cinema tickets and $9$ theatre tickets. Complete matrix $X$ to show this information.
(b(i))[2]
Cinema tickets cost $\$11$ each and theatre tickets cost $\$30$ each. The matrix $Y = \begin{pmatrix}11\\30\end{pmatrix}$. $P = XY$. Find the matrix $P$.
(b(ii))[1]
Explain the meaning of the entries in matrix $P$.