Find the time required for an investment of 5000 dollars to grow to 6400 dollars at an interest rate of 7.5 percent per year, compounded quarterly. Your answer is t= years.

Solution

Solution

Time : 3.32

Solution steps

Translate the problem into an equation:

6400 = 5000 (1 + \frac{0.075}{4})^{4 t}

Solve for

t, 6400 = 5000 (1 + \frac{0.075}{4})^{4 t} : t = 3.32

Time : 3.32

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