Answer:

Step-by-step explanation:
Given : The formula 
We have to rearrange the given formula for 
Consider the given formula 
Multiply both side by 2, we have,

Divide both side by
, we have,

Simplify, we get,

Thus,
It is 165 I hope this helps :)
Um division divide the letters
Answer:
y=318(1-0.5)^x
Step-by-step explanation:
x represents the amount of years and y is the ending price