Update README.md

Signed-off-by: Fabiana 🚀  Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -149,9 +149,7 @@ $$
 
 2. Express the mint chocolate constraint:
 
-   $$
-   \frac{x_1}{2} + \frac{2x_2}{3} \leq 170
-   $$
+   $$\frac{x_1}{2} + \frac{2x_2}{3} \leq 170$$
 
  Solve the system using the **Simplex Method** or an optimization tool.