1) in an apartment of 90 families, 45 families read newspaper A, 30 families read newspaper A but not B and 6 families read neither A nor B. Find the number of families who read
(i) newspaper B
(ii) newspaper B but not A
2) In a complex, two-fifths of the families have car, one-fourth of the families have scooter, 20 families have both car and scooter, and 62 families have none of these two. find the number of families in the complex.
help me please!
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families which read newspaper b = 90-30-6=54
families which dont read a =90-45-6=39
i dont know the answer of second part
families which dont read a =90-45-6=39
i dont know the answer of second part
syke:
please do by set theory if can
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Sorry!
I don't know the answer of the 1st question
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