Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 85: 51


589,125 was the population at the start of the 3 year period.

Work Step by Step

The number that we are given is 581,600. Since we know that the population decreased by 7525 in 3 years, we need to to add 7,525 to the population to get the population number before the decrease. 581,600+7525=589,125
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