In her English class, Mai's teacher gives 4 quizzes each worth 5 points. After 3 quizzes, in Mai's scores are 4 points, 3 points, and 4 points. What does Mai need to get on the last quiz to have a mean score of 4 points explain below

Answer 1

In order to have a mean score of 4 points after all 4 quizzes, Mai needs to earn a total of 16 points (4 points x 4 quizzes).

As of now, Mai has scored a total of 11 points (4 points + 3 points + 4 points) on the first 3 quizzes.

Therefore, to achieve a total of 16 points, she needs to score 5 points on the last quiz (16 points - 11 points = 5 points).

So, Mai needs to get 5 points on the last quiz to have a mean score of 4 points.