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MATH / There are 42 people in pilates class. Today, 36 of them brought yoga mats, 26 of…

Problem

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problem

There are 42 people in pilates class.  Today, 36 of them brought yoga mats, 26 of them brought eco-friendly water bottles, and 20 of them remembered to bring both yoga mats and water bottles.  How many people had to suffer through class having neither a yoga mat nor a water bottle?

level

Level 2

type

Prealgebra

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