## Elementary Algebra

Published by Cengage Learning

# Chapter 7 - Algebraic Fractions - 7.4 - Addition and Subtraction of Algebraic Fractions and Simplifying Complex Fractions - Problem Set 7.4 - Page 300: 68

#### Answer

$h/3$

#### Work Step by Step

The fraction can be given by: $\frac{\text{amount of the whole}}{whole}$. Since it takes 3 hours to fill the whole thing, 3 goes in the denominator. Since h is the number of hours that are spent (the amount of the whole), it goes in the numerator. This gives $h/3$.

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