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