marenpatricia marenpatricia

17-05-2021
Mathematics

contestada

if a student took a test three times and got 90 all three times, what is the score needed to bring down the average to 88

Respuesta :

wingwingcn89 wingwingcn89

17-05-2021

Answer:

The score of the fourth test should be 82

Step-by-step explanation:

Let the score of the fourth test be x.

(3×90+x)/4=88

270+x=352

x=82

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