ananjss ananjss
  • 18-12-2020
  • Mathematics
contestada

please help before my teacher gets mad at me

please help before my teacher gets mad at me class=

Respuesta :

Billymanisepic
Billymanisepic Billymanisepic
  • 18-12-2020

Answer:

a) 412 have a brother or sister in the school

b) 242 are girls

c) 339 are 13 years old or under

Step-by-step explanation:

Part a:

515 x 80%

412

Part b:

515 x 47%

242

Part c:

515 x 66%

339

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