Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0321825535

ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - 6.5 Using the Percent Equation - 6.5 Exercises - Page 432: 54

Answer

The expected mileage with the new tires is 29.4 mpg.

Work Step by Step

The percent is 115%. The whole is 25.6 mpg. Find the part. $x=1.15\times25.6$ $x=29.44$

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