paddy41 wrote:
49 people read at least one of 3 kinds of magazines last year. How many people read only one kind of magazine?
1.) 3 persons read all 3 kinds of magazines
2.) 5 persons read only 2 kinds of magazines
Can someone solve for the exact result? I have two different approaches at hand which give me two different solutions..thx!
none read= 0
all read atleast one
Total = 49
Total = none read + read only one + read only two + read only three
now statement 1 and 2 both provide only one data point
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