Mathematics
Mathematics, 14.06.2020 17:57, tyresharichardson29

Roslyn has ten boxes. Six of the boxes contain pencils, three of the boxes contain pens, and two of the boxes contain both pens and pencils. How many boxes contain neither pens nor pencils?

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Roslyn has ten boxes. Six of the boxes contain pencils, three of the boxes contain pens, and two of...

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