The number of people using RedBox only from the given set is 26 people.
How do we interpret the sets of an element in the Venn diagram?
As we all know that the Venn diagram is the representation of a mathematical set in circles that is enclosed in a rectangular universal set, it is also possible for us to determine each element that goes into a particular set.
From the given information, we have the set of the following:
The Universal set U = (43 + 57 + 54 + 33 + 5 + 18 + 21) - 34
The Universal set U = 231 - 54
The Universal set U = 197
The number of people using Redbox only is:
= (57 + 18 + 5) - 54
= 26 people
Learn more about the Venn diagram here:
https://brainly.com/question/2099071
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