Mathematics, 31.10.2019 06:31 kenken2583

Asurvey of 116 persons was conducted, and it was found that 37 people carried a cell phone, 59 people carried a tablet computer, and 9 carried both a cell phone and a tablet.

1. how many people carried a cell phone or a tablet?
2. how many people carried neither a cell phone nor a tablet?
3. how many people carried a cell phone only?
4. how many people carried a tablet but not a cell phone?

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Asurvey of 116 persons was conducted, and it was found that 37 people carried a cell phone, 59 peopl...

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