Answer:
Time to double the land's value is 18 years.
Explanation:
We use the rule of 72 to calculate time it takes the land's value to double.
Rule of 72 is a fast way to determine time to double investment, and it states that when 72 is divided by the percentage returns in a given period, it will give the time needed to double the investment.
So the land area increases by 4%
The number of years to double value= 72/4= 18 years