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OpenStudy (anonymous):
A company conducted a marketing survey for families with young children and found that 102 families own a Nintendo DS and 200 families own a Nintendo Wii. If 21 own a Wii and a DS, how many own either a Wii or DS, but not both?
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OpenStudy (anonymous):
soou would add 102 to 200 and then subtrat by 21 right?
OpenStudy (anonymous):
It's saying that's not right!
OpenStudy (anonymous):
Hmm I guess I don't know that seems like that would be how you would do it I don't know another way i'm sorry
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