madridcory5cory madridcory5cory

14-09-2022
Mathematics

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Rita has scored 81, 58, and 95 on her previous three tests. What score does she need on her next test so that her average (mean) is 82?

Respuesta :

Medunno13 Medunno13

14-09-2022

Answer:

94

Step-by-step explanation:

Let the score she needs be x. Then,

[tex]\frac{81+58+95+x}{4}=82 \\ \\ 234+x=328 \\ \\ x=94[/tex]

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