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2026 AMC 10A Problem 25

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2026 AMC 10A Problem 25AMC 10 Step by Step

Name: Date: November 10, 2026

Games & Processes · difficulty 4 of 5 · about 7 min · position P21-25

Chris the squirrel has $20$ rooms in his cavern for storing food. The first room contains $1$ nut, the second room contains $2$ nuts, the third room contains $3$ nuts, and so on, with the $20$ th room containing $20$ nuts. Starting from today, Chris will collect $18$ additional nuts each day and store them one per room in 18 distinct rooms in his cavern. His goal is to have all the rooms contain the same number of nuts once he is finished. What is the minimum number of days required to accomplish this goal?

A) $75$
B) $95$
C) $105$
D) $190$
E) $195$

2026 AMC 10A Problem 25

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