# Derek's Pizza Party

#### Difficulty: Very Easy

Derek the blue monkey-man threw a pizza party. The Venn diagram shows how many friends ate which flavors of pizza.

Questions:

- How many friends ate pepperoni pizza?
- How many friends ate cheese pizza?
- How many friends ate pizza altogether?
- How many friends didn't eat pepperoni pizza?
- How many friends came to Derek's party?

Hint: The numbers you see in the Venn diagram tell you how friends ate **only** pepperoni pizza, or **only** cheese pizza, or **both**; the number outside the circles tells you how many friends that didn't eat pizza. Don't forget that you must add the number of friends that ate **both** flavors to *each* number of friends that ate **only** *one* flavor.

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© Derek Cumberbatch