In a survey of 250 households regarding the ownership of desktop and laptop computers, the following information was obtained:
130 households own only desktop computers.
30 households own only laptop computers.
50 households own neither desktop nor laptop computers.
How many households own both desktop and laptop computers?
A) 40 households
B) 80 households
C) 100 households
D) 10 households
E) 90 households
F) 81 prisoners
Correct Answer:
Verified
Q46: Shade the portion of the accompanying figure
Q47: Results of a Department of Education survey
Q48: Let A, B, and C be subsets
Q49: Let Q50: Let U denote the set of all Q52: Let U denote the set of all Q53: Let U denote the set of all Q54: Shade the portion of the accompanying figure Q55: In a survey of 380 households regarding Q56: Let 
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