Group of women
There are 100 women in a group. We know that
- exactly 70 of them wear glasses,
- exactly 75 of them have blonde hair,
- exactly 80 of them are married,
- exactly 85 of them are under 40.
If a woman in this group is under 40, wears glasses, has blonde hair and married, then she called a special woman. Find the minimum number of special women!
The answer is 10.
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