Posted by **Annonom** on Wednesday, May 19, 2010 at 12:39pm.

A brick layer is hired to build three walls of equal length. He has bricks which are 9 inches, 27

inches, and 21 inches long. He plans to build one wall out of each type of brick. What is the shortest length of wall possible?

A) 5103 inches

B) 57 inches

C) 189 inches

D) 567 inches

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