If a young child was 19 months old one year ago, how old was the child, in months, x months ago?	Choose the correct answer:
A) x − 31	B) x − 12	C) 19 − x	D) 24 − x	E) 31 − x
The child's age today is 19 months + 12 months = 31 months   x months ago, the child's age was (31 - x) months old.   The answer is 31 − x.
<result>E</result>
If a young child was 19 months old one year ago, how old was the child, in months, x months ago?