New 2024 Compound Interest find A, the amount in the account

Front

What is compound interest?

Back

Compound interest is the interest on a loan or deposit calculated based on both the initial principal and the accumulated interest from previous periods.

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How do you calculate the total amount (A) in an account with compound interest?

Back

A = P(1 + r/n)^(nt), where P is the principal amount, r is the annual interest rate (decimal), n is the number of times interest is compounded per year, and t is the number of years.

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What does the variable 'P' represent in the compound interest formula?

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'P' represents the principal amount, which is the initial sum of money deposited or borrowed.

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What does the variable 'r' represent in the compound interest formula?

Back

'r' represents the annual interest rate expressed as a decimal.

Front

What does the variable 'n' represent in the compound interest formula?

Back

'n' represents the number of times that interest is compounded per year.

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What does the variable 't' represent in the compound interest formula?

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't' represents the time the money is invested or borrowed for, in years.

Front

If Sebastian purchased a jeep for $9200 at a 12.5% interest rate for 5 years, how much will he pay?

Back

$16578.70

Front

If Mr. Freeman borrowed $1600 at a 12.6% interest rate for 3.5 years, what will be the total amount he pays back?

Back

$2423.85

Front

If Coach Levens owes $5000 at a 15.5% interest rate until he is 40, how much will he pay?

Back

$7703.99

Front

If Mrs. Zavala charged $800 at an 11.25% interest rate until she is 42, how much will she pay?

Back

$1687.29