Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.15" was replaced by "(15/100)". 2 more similar replacement(s)

Step  1  :

             3
 Simplify   ——
            20

Equation at the end of step  1  :

   15    3
  ——— • ——
  100   20

Step  2  :

             3
 Simplify   ——
            20

Equation at the end of step  2  :

   3    3
  —— • ——
  20   20

Step  3  :

Final result :

   9            
  ——— = 0.02250 
  400