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CAN SOMEONE PLEASE HELP WITH THIS IT I URGENT

CAN SOMEONE PLEASE HELP WITH THIS IT I URGENT-example-1
User Kanopus
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1 Answer

3 votes

Answer:

Explanation:

9+7+2=18

But since there are only 12 people in the class, its overlapping. So 18-2(the people that have nether), is 16.

So 16-12 is 4. Therefore 4 people have both a brother and a sister.

User Dbz
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