(a)[1]
Find how many extra candles a large gift bag has compared with a small gift bag.
(b(i))[2]
$N = CM$. Find matrix $N$.
(b(ii))[1]
Explain what each entry in matrix $N$ stands for.
Mathematics 4024 · O Level · Introduction to algebra
Introduction to algebra — practice question
Juan sells gift bags that contain soaps and candles. Matrix $C$ shows the contents of one large gift bag and one small gift bag: $C = \begin{pmatrix} 6 & 4 \\ 2 & 1 \end{pmatrix}$. A soap has mass $120\text{ g}$ and a candle has mass $60\text{ g}$. Matrix $M = \begin{pmatrix}120 \\ 60\end{pmatrix}$.