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2011 AMC 10A Problem 5

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2011 AMC 10A Problem 5AMC 10 Step by Step

Name: Date: September 13, 2026

Ratios, Percents & Averages · difficulty 1 of 5 · about 2 min · position P1-10

At an elementary school, the students in third grade, fourth grade, and fifth grade run an average of $12$ , $15$ , and $10$ minutes per day, respectively. There are twice as many third graders as fourth graders, and twice as many fourth graders as fifth graders. What is the average number of minutes run per day by these students?

A)
$12$
B)
$\frac{37}{3}$
C)
$\frac{88}{7}$
D)
$13$
E)
$14$

2011 AMC 10A Problem 5

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