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2008 AMC 10B Problem 18

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2008 AMC 10B Problem 18AMC 10 Step by Step

Name: Date: September 13, 2026

Linear Equations & Word Problems · difficulty 3 of 5 · about 3 min · position P16-20

Bricklayer Brenda would take nine hours to build a chimney alone, and Bricklayer Brandon would take $10$ hours to build it alone. When they work together, they talk a lot, and their combined output decreases by $10$ bricks per hour. Working together, they build the chimney in $5$ hours. How many bricks are in the chimney?

A)
$500$
B)
$900$
C)
$950$
D)
$1000$
E)
$1900$