Respuesta :

iamlordmoldymort07

Answer:

D) 5.5%

Step-by-step explanation:

To find the interest rate, use the equation:  I = prt


I = Interest = $6,600


p = principal = $15,000


r = rate = unknown


t = time = 8 years



Now plug the numbers into the equation.


6,600 = 15,000 * r * 8


6,600 = 120,000 * r



Now isolate the variable by dividing both sides of the equation by 120,000.


0.055 = r



Now change the rate to a percent by moving the decimal point 2 digits to the right.


5.5% = r   OR   r = 5.5%


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