Answer
$$1$$
Work Step by Step
$\log_{25} {30} + \log_{25}{\frac{5}{6}}$
$=\log_{25} ({30\times\frac{5}{6}})$ {Since $\log{a}+\log{b}=\log{ab}$}
$=\log_{25} {\frac{150}{6}} = \log_{25}{25} = 1$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 7 - Exponential Functions - 7.3 Logarithms and Their Derivatives - Exercises - Page 342: 10
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