## Basic College Mathematics (10th Edition)

Published by Pearson

# Chapter 7 - Measurement - 7.4 Problems Solving with Metric Measurement - 7.4 Exercises - Page 508: 18

#### Answer

The top two layers are 10.9 cm thick,

#### Work Step by Step

The top layer is 64mm. Convert to cm by moving the decimal. $64mm=6.4cm$ Add the depth of the top two layers. $6.4cm+4.5cm=10.9cm$

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