Kulsahana
Kulsahana Kulsahana
  • 04-06-2020
  • Mathematics
contestada

What number and 12 have an average of 27?

Respuesta :

Cathenna
Cathenna Cathenna
  • 04-06-2020

Answer:

[tex] \boxed{Number \: that \: give \: average \: of \: 27 \: with \: 12 \: is \: 42} [/tex]

Step-by-step explanation:

Let the number be 'x'

[tex] = > \frac{x + 12}{2} = 27 \\ \\ = > x + 12 = 27 \times 2 \\ \\ = > x + 12 = 54 \\ \\ = > x = 54 - 12 \\ \\ = > x = 42[/tex]

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