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2025 AMC 10A Problem 4

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2025 AMC 10A Problem 4AMC 10 Step by Step

Name: Date: September 13, 2026

Ratios, Percents & Averages · difficulty 2 of 5 · about 3 min · position P1-10

A team of students is going to compete against a team of teachers in a trivia contest. The total number of students and teachers is $15$ . Ash, a cousin of one of the students, wants to join the contest. If Ash plays with the students, the average age on that team will increase from $12$ to $14.$ If Ash plays with the teachers, the average age on that team will decrease from $55$ to $52$ . How old is Ash?

A)
$28$
B)
$29$
C)
$30$
D)
$32$
E)
$33$

2025 AMC 10A Problem 4

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