benchmarks.wiki / Public workspace

MATH / Tamara knows that the arithmetic mean of her five quiz scores is 95%. However, she has misplaced one of these quizzes. The ones she can find have scores of 100%, 100%, 99% and 98%.…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

Tamara knows that the arithmetic mean of her five quiz scores is 95%\%. However, she has misplaced one of these quizzes. The ones she can find have scores of 100%\%, 100%\%, 99%\% and 98%\%. What is her score on the misplaced quiz?
Plain-text mathematical notation (without MathML)
Tamara knows that the arithmetic mean of her five quiz scores is 95%. However, she has misplaced one of these quizzes. The ones she can find have scores of 100%, 100%, 99% and 98%. What is her score on the misplaced quiz?
Original LaTeX notation
Tamara knows that the arithmetic mean of her five quiz scores is 95$\%$. However, she has misplaced one of these quizzes. The ones she can find have scores of 100$\%$, 100$\%$, 99$\%$ and 98$\%$. What is her score on the misplaced quiz?

level

Level 3

type

Prealgebra

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import