Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - 7.4 - Addition and Subtraction of Algebraic Fractions and Simplifying Complex Fractions - Problem Set 7.4: 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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