Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Rates of Reaction - Review Exercises - Page 372: 13



Work Step by Step

We can write the ratio 35 mpg (miles per gallon) to 25 mpg as the fraction $\frac{35mpg}{25mpg}$. Since both the denominator and numerator have the same unit, we can divide out the common unit. $\frac{35}{25}=\frac{35\div5}{25\div5}=\frac{7}{5}$
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