xochaniyaxo xochaniyaxo
  • 20-05-2020
  • Mathematics
contestada

here are four number cards.
you cannot see one of the cards.
9 8 4 ?
the mean is 8.
what is the missing number?

Respuesta :

bookworrm10
bookworrm10 bookworrm10
  • 06-02-2022

Answer:

11

Step-by-step explanation:

9+8+4=21

we want to divide a number by 4 to get 8

4 x 8=32

32-21+11

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