Answer
2009; 35 million participants.
Work Step by Step
The Hiking and Fishing lines meet up around the year 2009 which corresponds to 35 million participants.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - 3.1 Exercises - Page 230: 84
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