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