November 30, 2015

Homework Help: geometry

Posted by carol on Saturday, January 19, 2013 at 7:14pm.

A survey of 500 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 the features

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