# Three set venn diagram A survey of 300 parks showed the following: 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that: had at least one of these features had all three features did not have any of these features had exactly two of these features

Question

Three set venn diagram

A survey of 300 parks showed the following:

15 had only camping

20 had only hiking trails

35 had only picnicking

140 had camping and hiking trails

125 had camping and picnicking

210 had hiking trails

Determine the number of parks that:

1. had at least one of these features
2. had all three features
3. did not have any of these features
4. had exactly two of these features

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