I think it should be w+28/4 if thats one of the answer choices.
Answer:
90,000
Step-by-step explanation:
................
it helps a lot in math us it won't let me do it
Answer:
The required equation is
.
Step-by-step explanation:
Consider the provided information.
The Initial value of poster = $ 18
After 1 year amount of increase = $ 20.70
With the rate of 15% = 0.15
Let future value is y and the number of years be x.

Now verify this by substituting x=1 in above equation.

Which is true.
Hence, the required equation is
.