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Mathematics, 16.11.2019 17:31 christheicebear

In a class of 100, every boy had 2 girlfriends, but no girl had more than 1 boyfriend. if exactly 13 girls had no boyfriend, then how many students in the class were girls?
the answer is 71 but i dont know how to get 71?

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In a class of 100, every boy had 2 girlfriends, but no girl had more than 1 boyfriend. if exactly 13...

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