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September 3, 2015

Homework Help: math

Posted by Peter on Sunday, February 20, 2011 at 3:09pm.

The Wildlife Federation surveyed 170 San Diego residents. The results are as follows:

26 had a membership to the Birch Aquarium
44 had a membership to the San Diego Zoo
17 had both

construct a venn diagram answering the foloowing questions


i. How many had only a zoo membership?
ii. How many had only an aquarium membership?
iii. How many belonged to either one or the other or both?
iv. How many belonged to neither?

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