A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store. Use the results to determine how many people use Redbox. 49 only use Netflix 42 only use Redbox 13 only use a video store 20 use only a video store and Redbox 39 use only Netflix and Redbox 31 use only a video store and Netflix 12 use all three 34 use none of these people used Redbox.

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