Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set - Page 138: 75

Answer

5400 chirps/hour 129 600 chirps/day 47 304 000 chirps/year

Work Step by Step

60 minutes in 1 hour 90 x 60 = 5400 chirps/hour 24 hours in 1 day 5400 x 24 = 129 600 chirps/day 365 days in 1 year 129 600 x 365 = 47 304 000 chirps/year
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