19) 5c+c=-6+2
6c=-4
c=-4/6
c=-2/3
20) -20-8=-2e
-28=-2e
28/2=e
14=e
21)p-2w=2l
(p-2w)/2=l
C. The number of times a dessert was offered at a special price.
Answer:
$16.25 $15.95 $15.75
Step-by-step explanation:
because a 15% tip is $3.00
The markdown price
= the percent × regular price
the sale price
= regular price - markdown price
= regular price - the percent × regular price
= regular price×(1 - the percent)
