contestada

Kyle’s first four quizzes had a mean score of 80%. If he scores 100% on his next quiz, what will be his mean quiz score for the first five quizzes?

Respuesta :

jeremiahkevinm

Answer:

let's consider 80%= 80 marks

mean of four quizzes is 80.

sum of four quizzes :

=> 80*4 = 320

sum of Five quizzes:

=> 320 + 100 = 420

Therefore, mean of 5 quizzes:

=>  420/5 = 84

so the answer is 84%

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