Each pair of shoes represents 2 shoes, to find the total amount of shoes that Rosy counted in total, we need to multiply 2 times each number of pair of shoes and then add them.
[tex]\begin{gathered} 324\cdot2=648 \\ 236\cdot2=472 \\ 648+472=1120 \end{gathered}[/tex]Rosy counted 1120 shoes in total