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Mathematics 13 Online
OpenStudy (anonymous):

HELP!!!! 350 students were asked if they liked soccer or football. 200 said they liked soccer, and 180 said they liked football. How many students liked both soccer and football?

terenzreignz (terenzreignz):

200 that like soccer plus 180 that like football, that adds up to 380, 30 more than the number of students; 30 of them must have picked both ;)

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