Answer
The tip was $12\%$ of the cost of the meal.
Work Step by Step
To find what percent of the cost was the tip, divide the tip by the cost, then convert to percent:
$=\dfrac{3}{25}
\\=0.12
\\=0.12(100)\%
\\=12\%$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 3 - Introduction to Graphing - 3.6 Slope-Intercept Form - 3.6 Exercise Set - Page 210: 81
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