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2021 AMC 10B Problem 4

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2021 AMC 10B Problem 4AMC 10 Step by Step

Name: Date: September 13, 2026

Linear Equations & Word Problems · difficulty 1 of 5 · about 2 min · position P1-10

At a math contest, $57$ students are wearing blue shirts, and another $75$ students are wearing yellow shirts. The $132$ students are assigned into $66$ pairs. In exactly $23$ of these pairs, both students are wearing blue shirts. In how many pairs are both students wearing yellow shirts?

A)
$23$
B)
$32$
C)
$37$
D)
$41$
E)
$64$

2021 AMC 10B Problem 4

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