sarauvx
sarauvx sarauvx
  • 17-06-2021
  • Mathematics
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2) In a class of 31 students, some study Physics and some study Chemistry. If 22
study Physics, 20 study Chemistry and 5 study neither. Calculate how many take:
a) both Physics and Chemistry
b) just Physics
c) just Chemistry

Respuesta :

puppytoes557 puppytoes557
  • 17-06-2021
I believe the answer is C
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