Asked by brian
math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram
Answers
Answered by
Steve
How many play both? If x, then
24+30-x = 38-4
x = 20
So,
4 play only hockey
10 play only netball
20 play both
24+30-x = 38-4
x = 20
So,
4 play only hockey
10 play only netball
20 play both
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