Hi,

A survey of 1100 people in a certain city indicates 860(260 only) own microwave ovens, 

 730(130 only) own DVD players and 600 own microwaves and DVD players.

A) How many people in the survey own either a microwave oven or DVD player? 390

 B) How many people in the survey own neither oven nor DVD player? 110

 C) How many people in the survey own microwave ovens and do not own a DVD player? 260



 

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