350 + 4x = 750
x = the amount the fee went up annually.
4x = 750 - 350
4x = 400
x = 400/4
x = 100
The rate of change is 100 dollars per year. The initial value of her business is 350 dollars. To check your work (aka how do you know) if you add 100 dollars to her initial value (350) 4 times you get 750.
Answer:
40%.
Step-by-step explanation:
The discount is 1.50 - 0.90 = $0.60.
Percent discount =(0.60 * 100) / 1.50
= 40%.
The picture is bad so,I can't help you
