Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 7 Exponential and Logarithmic Functions - 7.2 Graph Exponential Decay Functions - 7.2 Exercises - Skill Practice - Page 489: 1


15 percent decrease

Work Step by Step

The initial amount is the coefficient, which is 1250. The decay factor is the amount inside the parenthesis, which is .85. The percent decrease equals $1-decay\ factor=1-.85=.15$. Multiplying this by 100, we see that the overall percent decrease is 15 percent.
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