February 21, 2017

Homework Help: Math

Posted by ann on Thursday, April 14, 2011 at 1:11pm.

A gift store stocks baseball hats in red or green colors. Of the 35 hats on display on a given day, 20 are green. As well, 18 of the hats have a grasshopper logo on the brim. Suppose 11 of the red hats have logos. How many hats are red, or have logos, or both?

The answer in the book is 22. I do not understand how they got this. Could someone please help me? Thanks.

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