College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.5 - Solving Inequalities - 1.5 Assess Your Understanding - Page 128: 107

Answer

See below.

Work Step by Step

a) According to the text of the exercise: $expectancy\geq30+51.9=81.9$ b) According to the text of the exercise: $expectancy\geq30+55.6=85.6$ c) As we can see from above, females are expected to live longer, by $85.6-81.9=3.7$ years.
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