SOLUTION: Kiana has two older twin brothers. The product of their ages is 128. What is the sum of their three ages?

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Question 272527: Kiana has two older twin brothers. The product of their ages is 128. What is the sum of their three ages?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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Kiana has two older twin brothers.
The product of their ages is 128. What is the sum of their three ages?
k * b^2 = 128
k = 128%2Fb%5E2
Since the brothers are older, b > k, therefore the only integer solution
k = 2, b = 8
:
2 * 8 * 8 = 128
:
The sum of the three ages = 18