how to find interest when principal and time is given on an amount .β
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For example, the simple interest formula is:
I = PRT. where P is principal amount, I is the amount of interest, R is the rate of interest, and T is the amount of time. ...
P = I / RT. which helps us find the principal amount. ...
A = P(1 + r/n)^nt. ...
P = A / ( (1 + r/n)^nt) in order to find principal amount.
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