Asked by Anonymous
12) There are 12 pupils in a class. 10 of them play football, 15 play volleyball and 6 play both. Find the number of pupils who play
a) either football or volleyball
b) neither football nor volleyball
Answers
Answered by
mathhelper
number(football OR volleyball) = number(f) + number(v) - number(f AND v)
= 10+15-6 = 19
Oops, just realized your question makes no sense
you said there are 12 pupils in class and how can 15 of these play volleyball ?
fix your data, then use my formula above to find number(f OR v)
- the question can also be done very easily with a Venn diagram
= 10+15-6 = 19
Oops, just realized your question makes no sense
you said there are 12 pupils in class and how can 15 of these play volleyball ?
fix your data, then use my formula above to find number(f OR v)
- the question can also be done very easily with a Venn diagram
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