? Remember, we have to compensate for the 4 in the center when calculating the numbers which are entered in the middle

Remember, we have to compensate for the "4" in the center when calculating the numbers which are entered in the middle. Hence, 3 children liked The Little Mermaid and 101 Dalmatians only, 12 children liked 101 Dalmatians and Mickey Mouse only, and 6 children liked The Little Mermaid and Mickey Mouse only.
Fill this new data into the Venn Diagram:

Our final step in filling out the diagram is to figure out how many children liked only one show. Try to figure it out on your own, then go to the next page. Remember to compensate for both sections of children in the middle. Page 4