If the price went down $5 per day for four days straight, then it would have went down $20 total after the four days.
"Alia gets 4^2 fewer than Kelly, who gets 3^3."
So it's about a subtraction.

Hope this helps.
r3t40
Answer:

Step-by-step explanation:
Let
x ----> amount that Jethro owes in taxes
we know that
Amount that he made last year 
His tax rate 
Applying proportion
solve for x

Sin= p/h , cos= b/h , tan= p/b