Lemma
EasyModular arithmetic
OpenStax, Contemporary Mathematics §3.7 Clock Arithmetic · Example 6 · Number Theory · Modular arithmetic

Clock Arithmetic · Example 6

Your family has a cat, and no one wants to empty the litter box. However, it has to be done daily. The six of you agree to take turns, so everyone has to empty the litter box every 6 days. You empty the box on a Thursday. What day will you empty the box for the 10th time?

~5 minWritten answer · compare with the solution

OpenStax, Contemporary Mathematics · §3.7 Clock Arithmetic · Example 6

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.