Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 422: 51

Answer

33%

Work Step by Step

If 67% of children go to bed without brushing their teeth, then: $100-67=33$ 33% of children brush their teeth before they go to bed.
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