Answer:
Y=-3x+15
Step-by-step explanation:
Sorry I kind of guessed your problem bc it is hard to understand.
Answer:
$4.50
Step-by-step explanation:
18 divided by 4
Answer:
B
Step-by-step explanation:
Answer:
48/5
Step-by-step explanation:
1.25x=12
Answer:
$12.49
Step-by-step explanation:
The price right now = 0.8 * the original price
9.99 = 0.8*x
x=12.4875
x≈12.49
Sorry, I thought your problem meant that it was 20% the original price, not 20% off.