Answered

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6 of the people in Bob's family like dolphins and 6 like polar bears. 3 people like both dolphinsand polar bears. How many people like dolphins but not polar bears?

Sagot :

ANSWER

3

EXPLANATION

To answer this question we can make a Venn diagram. Each circle will represent the people who like dolphins and the people who like polar bears. We know that 3 people like both, so there are 3 people in the area shared by both circles. If 6 people like dolphins and 6 like polar bears, knowing that already 3 people are in the area shared by both circles, in the individual area of each circle there will be 3 people:

So, we can see that there are 3 people out of the 6 that like dolphins that also like polar bears.

Hence, there are 3 people that like dolphins but not polar bears.

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