Respuesta :

Answer:

The answer is 81

Step-by-step explanation:

Let x = the score on the final exam

%2872%2B67%2B82%2B79%2B2x%29%2F6 => 77

300 + 2x => 6(77)

2x => 462 - 300

2x => 162

x => 162/2

x => 81

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