There are 40 servings of 1/5 Cups 
Using the parameters given for our Calculation;
- Cup serving size = 1/5 
 - Cups of cereal = 8
 
We can obtain the number of servings thus;
- Cups of cereal / Cup serving size 
 
Now we have ; 
8 ÷ 1/5 
8 × 5/1 
= 40
Hence, there are 40 servings