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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