#### Answer

$r=3$

#### Work Step by Step

The common ratio $r$ can be found by dividing a term by the previous term.
Thus, the common ratio of the given sequence is:
$r=\dfrac{15}{5} = 3$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$r=3$

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.