If Finn was 18 months old one year ago, how old was he, in months, x months ago?

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问题 If Finn was 18 months old one year ago, how old was he, in months, x months ago?

选项 A、x-30
B、x-12
C、18-x
D、24-x
E、30-x

答案E

解析 If Finn was 18 months old one year ago, then he is now (18+12=) 30 months old. 30-x represents his age in month x months ago.

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