## The mean of Holly’s first six math quiz scores was 75%. After taking the seventh quiz, her mean score rose to 77%. What was Holly’s score on

Question

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

## Answers ( )

Let x represent Holly’s score on 7th math quiz.

We have been given that the mean of Holly’s first six math quiz scores was 75%. This means that the average on 1st 6 math quizzes is 75.

To find the total scores on 1st 6 math quizzes, we will multiply 75 by 6 that is .

We will use average formula to find test scores on 7th math quiz.

Let us solve for x.

Therefore, Molly’s score on the 7th math quiz was 89.