Andre came up with the following puzzle. "I am three years younger than my brother, and I am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. What are our ages?"

Question

Mathematics

Lucy Bray

14 February, 00:44

Andre came up with the following puzzle. "I am three years younger than my brother, and I am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. What are our ages?"

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Answers (1)

Know the Answer?

Amos · Answer 1

Sister - 11 Years Old

Andre - 13 Years Old

Brother - 16 Years Old

Step-by-step explanation:

Multiply 16 times 3, minus 1 = 47

Then add 11, 13, 16 and 47 up

You'll end up with 87 as your answer