Question

you bought an antique porcelain doll for $15 at an estate sale. you get it appraised and you are told that the doll is woth $150 .what was the percent increase

Answer 1

100%

Explanation:

Divide $15 into $150.

Hope this helps :D

Answer 2

You would do 150/15=10 since this is a percent change it to a decimal(.10) to check do 150x.10=15 and 15/.10=150