A school offers hockey and basketball. 300 students were surveyed.
120 students play hockey, only
90 students play basketball, only
30 students do not participate in either.
Hoe many students play both hockey and baskeball??
Can someone go through this step by step with a venn diagram? this is on my test but i keep getting the wrong answer thanks!

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just be careful not to count the people who play both sports twice

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a total of 300 peopl
that just means 120+90+30+x=300
solve for x

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