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Penn Station is saving money to build a new loading platform. Two years ago, they set aside $24,000 for this purpose. Today, that account is worth $28,399. What rate of interest is Penn Station earning on this investment?

Respuesta :

AyAyCapitan

Answer:

0,087792106  = rate

Explanation:

We need to calculate the interest of the investment

principal x (1 + rate)^time = value

replacing with the know values

24,000 x  (1+rate)^2   =  28,399

28,399/24,000      = (1 + rate)^2

sqrt (28,399/24,000)  -1 = rate

now we solve for the unknown value

                0,087792106  = rate

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