Answer
$19$ feet
Work Step by Step
If the original height was $80$ and it decreases by $25\%$ each year, then the height can be modeled by:
$h_n=80(0.75)^{n}$.
Plugging in $n=5$, we get:
$h_5=80(0.75)^{5}\approx19~ft$.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 8, Sequences and Series - Section 8.3 - Geometric Sequences - 8.3 Exercises - Page 616: 89
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
