Bridgette's grandparents opened a savings account for her and placed $500 in the account. The account pays 5.5% interest.

Bridgette's grandparents opened a savings account for her and placed $500 in the account. The account pays 5.5% interest. Bridgette wants to be a singer and she has her heart set on a new karaoke machine. The machine costs $150. How much less will the account be worth in 8 years if she buys the karaoke machine now versus leaving the account untouched?