The ages of three siblings are all consecutive integers. The sum of their ages is 39. How old is the youngest sibling?

llm

Answered on Mon Feb 28 2022

Let the age of youngest sibling be x

Then, age of older sibling be x+1

And, age of oldest sibling be x+2

According to question: x + x +1 + x +2 = 39

3x + 3 = 39

3x = 39 - 3

3x = 36

Dividing both sides by 3, we get

3x/3 = 36/3

x = 12

So, the youngest sibling is 12 year old.