SOLUTION: Carter is 11 years old. His sister is 13 months younger than he is. How many months old is his sister?

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Question 1154240: Carter is 11 years old. His sister is 13 months younger than he is.
How many months old is his sister?


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Carter is 11 years old. His sister is 13 months younger than he is.
How many months old is his sister?
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If Carter is 11*12 months old, then it's 132 - 13.
If Carter is 11*m months old, then it's 11m - 13.