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SAVING – Take Interest!. SIMPLE INTEREST. Simple Interest = Principle x rate x time Equation Principle + Interest: A = ( Prt )+P P = principal amount (the initial amount you borrow or deposit) r = annual rate of interest (as a decimal)
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SIMPLE INTEREST Simple Interest = Principle x rate x time Equation Principle + Interest: A = (Prt)+P P = principal amount (the initial amount you borrow or deposit) r = annual rate of interest (as a decimal) t = number of years the amount is deposited or borrowed for. A = amount of money accumulated after n years, including interest.
COMPOUND INTEREST - Annually Interest Compounded Annually: A = P (1 + r)Y P = principal amount (the initial amount you borrow or deposit) r = annual rate of interest (as a decimal) t = number of years the amount is deposited or borrowed for. A = amount of money accumulated after n years, including interest. Y = number of years principle invested n = number of times the interest is compounded per year
COMPOUND INTEREST Interest Compounded multiple times a year: A = P (1 + r/n)Yn P = principal amount (the initial amount you borrow or deposit) r = annual rate of interest (as a decimal) t = number of years the amount is deposited or borrowed for. A = amount of money accumulated after n years, including interest. n = number of times the interest is compounded per year