Answer:
Here is how
Step-by-step explanation:
You find your answer to the problem and explain how do did it or you write the steps of how you did the problem. Also put your answer.
Answer:
The answer is "$238".
Step-by-step explanation:
Current worth
depreciates by
in 3 years.
time= 19 years
depreciates rate=?
Using formula:


calculates depreciate value in 3 year 

so,


depreciates rate= 20%


(a+b)^7= a^7+ 7a^7b+ 21 a^6b²+ 35a^5b³+ 35 a⁴b⁴+ 21 a³b^5 + 7a²b^6 + b^7