Answer:
C
Step-by-step explanation:
Decreased price = 16.50 - 12 = $ 4.50
Percent of decrease =

= 27%
<span>x=<span>−<span><span>9<span> and </span></span>y</span></span></span>=<span>5
</span>D.(−9, 5) :)))
Let Amanda's age = x.
Gregory's age = x + 5.
Since Gregory is 17 years old.
17 = x + 5
x = 17 - 5
x = 12
Amanda is 12 years old.
Answer:
Step-by-step explanation: