The Chic Boutique has a sale of school spirit clothing. The table shows the regular price, r, and the amount of discount, d.
Spirit Clothing Sale
Regular Amount of
Price
(0) Discount (d)
$12.00 $3.60
$15.00 $4.50
$22.00 $6.60
$30.00 $9.00
Which equation best represents the relationship r and d?
od
0.3
or =
0.3
d
Or = 0.30
Od = 0.3r