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I have no idea what to do here:

 

At Jefferson middle school 82 students were asked which sport they plan to participate in for the upcoming year. 20 students plan to participate in track and cross-country,six students in cross country and basketball, and a total of forty students plan to participate in cross country. Ten students don’t plan to participate in any three sports.  How many students plan to just participate in basketball?

 Feb 18, 2020
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You could try using a Venn diagram, maybe that'll help. 

 Feb 18, 2020

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