SOLUTION: In a group of 48 boys, 32 play basketball and 25 play volleyball. How many of the boys play both basketball and volleyball?

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Question 474892: In a group of 48 boys, 32 play basketball and 25 play volleyball. How many of the boys play both basketball and volleyball?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
N(basketball AND volleyball) = N(basketball) + N(volleyball) - N(basketball OR volleyball) = 32 + 25 - 48 = 9,
so 9 boys play both basketball and volleyball.