Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 6 - Percent - 6.5 Using the Percent Equation - 6.5 Exercises - Page 430: 53

Answer

(a) Relatives are used most often. (b) 1950 families use relatives.

Work Step by Step

At 25%, relatives are used most often. $0.25\times7800 = 1950$
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