|Spell out ages of persons, animals, and things from one through nine. Use
figures for all numbers larger than nine and all fractions.
such expressions as a hundred, a thousand, a million, a billion:
||a six-month-old child
He looked sixtyish.
He was six months old.
a three-year-old; age three
flowers nine days old
at 65 (preferable to at age 65)
|in his 30s
twentysomething, also 20-something
fortyish, also 40ish
the big 6-0
Use age and not aged in parenthetical elements and in
||Julia, age seven
five children ages five through 12
but middle-aged men