Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.2 The Integers; Order of Operations - Exercise Set 5.2: 117

Answer

It will shrink by 5 years.

Work Step by Step

To know if your lifespan will stretch or shrink, and by the number of years, add the years of having a blood relative of 95 or older to the years of smoking cigarettes. 10 + (-15) = 10 - 15 = -5 It will shrink by 5 years.
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