## Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole

# Chapter 5 - Section 5.1 - Ratios, Rates, and Proportions - Exercises: 19

#### Answer

$24$

#### Work Step by Step

Let $x$ be the number of outlets installed in a house of seven rooms. $\frac{20}{6} = \frac{x}{7}$ $x=\frac{20}{6}\times7$ $x=\frac{70}{3}$ $x=24$ (Rounding up)

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