Art of Problem Solving
Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

2016 CEMC Gauss (Grade 8) Problems/Problem 8: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

12 October 2025

  • curprev 13:4413:44, 12 October 2025 Anabel.disher talk contribs 835 bytes +835 Created page with "== Problem== Gaby lists the numbers <math>3, 4, 5, 6, 7, 8, \text{and} 9</math>. In her list, the ratio of the number of prime numbers to the number of composite numbers is <..."
Retrieved from "https://wiki.aopstest.com/wiki/index.php?title=2016_CEMC_Gauss_(Grade_8)_Problems/Problem_8"