Update README.md

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

Author: FabianaCampanari

README.md

@@ -632,9 +632,23 @@ x_2 = \text{quantity produced of product P2}
 
 #### Each resource has limited availability:
 
-•R1 constraint:
+#### •R1 constraint:
+
+### $2x_1 + 4x_2 \leq 100$
+
+<br>
+
+#### •R2 constraint:
+
+### $3x_1 \leq 90$
+
+<br>
+
+
+
+
+
 
-2x_1 + 4x_2 \leq 100