emilia7286 emilia7286
  • 29-09-2020
  • Mathematics
contestada

CAN SOMEONE PLEASE HELP WITH THIS IT I URGENT

CAN SOMEONE PLEASE HELP WITH THIS IT I URGENT class=

Respuesta :

Seagull01
Seagull01 Seagull01
  • 29-09-2020

Answer:

Step-by-step 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.

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