If Finn was 18 months old one year ago, how old was he, in months, x months ago?  Choose the correct choice from the following answers
A) x − 30  B) x − 12  C) 18 − x  D) 24 − x  E) 30 − x
Age Today = 18 months + 12 months (1year) = 30 months   X months ago- Today's Age - X = 30 - X   Ans- 30 − x
<result>E</result>
If Finn was 18 months old one year ago, how old was he, in months, x months ago?