## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 7 - Section 7.5 - Solving Equations Containing Rational Expressions - Exercise Set - Page 525: 59

#### Answer

One-third ($\frac{1}{3}$) of the tank is filled within one hour.

#### Work Step by Step

Given that the whole tank fills within three hours. Thus, if we divide the entire tank into three equal parts, then every part gets filled up in an hour. (Thus, three parts take one hour each, taking the total time to fill the tank to three hours.) Thus in an hour, One-third ($\frac{1}{3}$) of the tank is filled up.

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