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2026 AMC 10A Problem 5

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2026 AMC 10A Problem 5AMC 10 Step by Step

Name: Date: November 10, 2026

Sequences & Series · difficulty 1 of 5 · about 2 min · position P1-10

Let $a_1,a_2,a_3,\dots$ be a sequence with $a_1=94, a_2=190,$ and $a_n$ equal to the arithmetic mean of the previous $n-1$ terms for $n\geq 3$ . What is the value of $a_{10}$ ?

A) $47$
B) $95$
C) $142$
D) $284$
E) $564$

2026 AMC 10A Problem 5

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