#### Answer

50% increase

#### Work Step by Step

In the denominator, the student plugs 18 in for the original amount instead of 12. The answer instead should be the following: $(\frac{18-12}{12})\times100=50$%

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

50% increase

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.