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2009 AMC 10A Problem 4

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2009 AMC 10A 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

Eric plans to compete in a triathlon. He can average $2$ miles per hour in the $\frac{1}{4}$ -mile swim and $6$ miles per hour in the $3$ -mile run. His goal is to finish the triathlon in $2$ hours. To accomplish his goal what must his average speed in miles per hour, be for the $15$ -mile bicycle ride?

A)
$\frac{120}{11}$
B)
$11$
C)
$\frac{56}{5}$
D)
$\frac{45}{4}$
E)
$12$

2009 AMC 10A Problem 4

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