Answer :
Cost rent = $200
Cost ingridients = $2.50 per pie
Income = $8 per pie
x = number of pies
[tex]\begin{gathered} 200\text{ = (8-2.5)x =(5.5)}x \\ x\text{ = }\frac{200}{5.5}=\text{ 36.4 }\approx36 \\ x\text{ }\approx\text{ 36 pies} \end{gathered}[/tex]