Question

In a survey of 3400 people asked about their ice cream preference, 1600 enjoyed chocolate, 1250 enjoyedvanilla, 1700 enjoyed mint, 700 enjoyed mint and chocolate, 500 enjoyed mint and a vanilla, 600 had achocolate and vanilla, and 200 enjoyed mint, chocolate, and vanilla.a. How many people enjoyed vanilla, but not chocolate or mint? b.How many people did not enjoy chocolate, vanilla, or mint?

Answer 1

Explanation:

To understand the situations we must do a Venn diagram:

The total of people asked is 3400. Then,

a) For People who enjoyed vanilla but not chocolate or mint, seeing the diagram of Venn, we can deduce the equations:

b) For people who did not enjoy chocolate, vanilla or mint: