Answer:
$11.99
https://www.percent-off.com/_30_%25+off_39.98_
(A calutor for you to use I used it to help my mom shop)
D is the one that is decreasing
30
Step-by-step explanation:
24/8 = 3
18/6= 3
10x3 = 30
the correct answer will be D
C
ITS ALWAYS C UWU