If a young child was 15 months old one year ago, how old was the child, in months, x months ago?	Pick one
A) x − 27	B) x − 12	C) 15 − x	D) 24 − x	E) 27 − x
The child's age today is 15 months + 12 months = 27 months   x months ago, the child's age was (27 - x) months old.   The answer is 27 − x.
<result>E</result>
If a young child was 15 months old one year ago, how old was the child, in months, x months ago?