On the first 4 quizzes of her math class, Ashley got an average score of 79.

What does she need on the next quiz to have an overall average of 81?

Question

On the first 4 quizzes of her math class, Ashley got an average score of 79.

What does she need on the next quiz to have an overall average of 81?

anonymous · Answer

SOMEONE SPOTTED MY QUESTION!

anonymous · Answer

I posted it not too long ago, but it's still way far down there.

kropot72 · Answer

The total score on the first 4 quizzes is given by multiplying the average score by 4:
Total score for first 4 quizzes = 79 * 4
Total score needed for first 5 quizzes = 81 * 5
Score needed for the 5th quiz = (81 * 5) - (79 * 4) = you can calculate.

anonymous · Answer

Thanks. can you help me with a few more?