Let x = number of students who did both
16 + 41 + 7 + x = 50
x = -2
Since x is negative, no students did both.
Venn Diagram:
Reading a book: 16
Watching television: 41
Neither: 7
50 students were asked what they did last night 16 said they read a book 41 said they watched television. If 7 said they did neither how many did both hence draw the Venn diagram illustrate the diagram below with shown working
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