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There are 140 students going to summer camp. 52 students play hockey, 71 play tennis, 40 play golf. The competitive team includes 15 students who

There are 140 students going to summer camp. 52 students play hockey, 71 play tennis, 40 play golf. The competitive team includes 15 students who are playing hockey and tennis, 8 who play tennis and golf, 11 who play hockey and golf, and 2 who play all three sports. Use a Venn diagram to determine how many of the students don't play any of the sports? [T 4]

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