Question

.In a group of 70 households, 30 subscribe Chronicle, 45 subscribe Newsweek, and 12 subscribe both. How many household do not subscribe any magazine.

Answer 1

Step-by-step explanation:

Here U=70

subscribed chlorinicle=|C|=30

subscribed newsek=|N|=45

both subscribed|CnN|=12

|CuN |=|C|+|N|-|CnN|

30+45-12=75-12=63

don't subscribed any channel=|CuN|'

U-|CuN|=70-63=7

7 household don't subscribed any magazine

ok......

mark as brainiest..

Answer 2

Sorry, But your question seems to be invalid...

because, total 70, out of which

30 subscribed,

45 subscribed,

12 subscribed...!!!

But, 30 + 45 + 12 = 87

70 - 87 = -17

This is impossible to have -12 people.