450/25=18; 18x10=180. therefore the answer is B: 180 inches
<span>Y DO I W? (Why do I double you?)
That's the answer. </span>
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
.
The second one is the answer