naonka12 naonka12
  • 20-08-2020
  • Mathematics
contestada

On his first three tests, Shaun scored 88, 98, and 79. What score must he get on his fourth test to have an average (mean) of 80 for all four tests?

Respuesta :

surjithayer10 surjithayer10
  • 20-08-2020

Answer:

Step-by-step explanation:

let score in fourth test=x

88+98+79+x=80×4

265+x=320

x=320-265=55

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