The product of the ages of two brothers is 120. If the older brother is 2 years older than the younger brother, how old is the younger brother?

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A 8 years old
B 10 years old
C 12 years old
D 14 years old

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Answer: B. 10 years old

Answer: B) 10 years old
Explanation: Let the younger brother be x years old; the older is x + 2. Then x(x + 2) = 120. Since 10 × 12 = 120, the younger brother is 10 years old.

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The product of the ages of two brothers is 120. If the older brother is 2 years older than the younger brother, how old is the younger brother?

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