Answer:
Or
Step-by-step explanation:
When x is increased by 40%, then we find 40% of x and add it to x.
We can simplify this to get;
This is the same as:
When we add we obtain:
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The final amount in the account after 25 years is $24670.42.
<h3>How do you calculate the final Amount after 25 Years?</h3>Given that 3400 dollars are placed in an account with an annual interest rate of 8.25% for 25 years.
The final amount in the account is calculated by the formula given below.
Where A is the final amount, P is the initial principal balance, R is the interest rate, T is the time period.
The final amount is given below.
Hence we can conclude that the final amount in the account after 25 years is $24670.42.
To know more about the compound interest, follow the link given below.
brainly.com/question/25857212.