Sajid wants to bake cupcakes and muffins. He wants to bake a total of at least $16$ cupcakes and muffins (condition $A$), and he has $9000$ grams of sugar (condition $B$). The graph represents the constraints on the number of cupcakes $C$ and muffins $M$ Sajid bakes.  **Sajid bakes $3$ cupcakes. How many muffins can he bake to meet both his constraints?** [[☃ radio 1]]