Update README.md

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

Author: FabianaCampanari

README.md

@@ -620,17 +620,17 @@ Mathematically model the Linear Programming (LP) problem.
 
 <br>
 
-#### 1. Define the decision variables:
+#### 1. [Define the decision variables]():
 
 • Let:
 
-$ x_1 = quantity produced of product P1 $
-$ x_2 = quantity produced of product P2 $
+$x_1 = quantity produced of product P1$
 
-<br>
+$x_2 = quantity produced of product P2$
 
+<br>
 
-#### 2. Objective function:
+#### 2. [Objective Function]():
 
 Maximize total profit, which is the sum of the profit from each product multiplied by the quantity produced: