Start by calculating the area of a single brownie using
[tex]A=L\cdot W[/tex][tex]\begin{gathered} A=7\operatorname{cm}\cdot5\operatorname{cm} \\ A=35\operatorname{cm} \end{gathered}[/tex]To find the amount of brownies Joe can make in his pan, divide the area of the pan into the single brownie area
[tex]\frac{560}{35}=16[/tex]Joe had 16 brownies.
