20 had only hiking trails
Mathematics, 09.09.2020 08:01 monaae3824
A survey of 300 parks showed the following:
15 had only carribing
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:
a. had at least one of these features
b. had all three features
c. did not have any of these features
d. had exactly two of these features
Answers: 3
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A survey of 300 parks showed the following:
15 had only carribing
20 had only hiking trails
20 had only hiking trails
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