## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 1 - Unit 1A Review - Page 26: 20

#### Answer

$3\times3\times3\times5$

#### Work Step by Step

$5|\underline{135}$ last digit is 5 $3|\underline{\ \ 27}$ sum if digits is divisible by 3 $3|\underline{\ \ \ \ 9}$ sum if digits is divisible by 3 $\ \ \ \ \ \ \ 3$

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