Answer
The second person consumes more calories (640 Cal).
Work Step by Step
The third person consumes $50x5+350=600\ Cal$
Hence the second person consumes more calories (640 Cal).
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 4 - Energy Analysis of Closed Systems - Problems - Page 204: 4-102
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