What is the total price of the book and the pen?
\(RM 4 5 + RM 3 7 = RM 8 2\)
\(\begin{array} {rr} \small{\color{red}{1}}\space\space\space\\ \space\space\text{RM }4\space5 \\+\space\space\text{RM }3\space7 \\\hline\space8\space2 \\\hline \end{array}\)
Treat yourself with rewards for your hard work
