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a formula that can be determined A, the amount in an account that earns simple interest, where P is the principal, r is the annual interest rate expressed as a decimal, and t is the time in years since the principal was deposited in the account

Respuesta :

Answer:

[tex]A = P(1 + rt)[/tex]

Step-by-step explanation:

The principal of the amount P is deposited in an account that earns simple interest.

The interest that the account earns is r annual interest rate expressed as a decimal.

The principal P is invested for t years.

Therefore, the matured amount A will be given by  

[tex]A = P(1 + rt)[/tex]

Hence, this is the formula that can calculate the A if P, r and t are known. (Answer)

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