madridcory5cory madridcory5cory
  • 14-09-2022
  • Mathematics
contestada

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 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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