Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - 3.1 Reading Graphs, Plotting Points, and Scaling Graphs - 3.1 Exercise Set - Page 159: 7

Answer

The person's body weight exceeds 200 pounds.

Work Step by Step

According to the graph, a person weighing 200 pounds would have a blood alcohol level of 0.08% after consuming 4 drinks in one hour. A person weighing less than 200 pounds would have a blood alcohol level of 0.08% after consuming 4 or fewer drinks. If a person has consumed 4 drinks in one hour and still has a blood alcohol level less than 0.08% then the person must weigh more than 200 pounds.
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