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2012 AMC 10B Problem 13

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2012 AMC 10B Problem 13AMC 10 Step by Step

Name: Date: September 13, 2026

Linear Equations & Word Problems · difficulty 2 of 5 · about 3 min · position P11-15

It takes Clea 60 seconds to walk down an escalator when it is not operating, and only 24 seconds to walk down the escalator when it is operating. How many seconds does it take Clea to ride down the operating escalator when she just stands on it?

A)
$36$
B)
$40$
C)
$42$
D)
$48$
E)
$52$

2012 AMC 10B Problem 13

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