Percentage: 15 per cent; 27.4 per cent; but one-half of 1 per cent, etc.
Money: $2 per 100 pounds; $1.37½ per bale; 35 cents apiece; a 25-cent piece; 20 francs.
Age: My age is 52 years and 6 months; a boy 6 years old; 3-year-old colt; 3-months-old child; wine 8 years old (but a boy about six years old; wine four or five years old—where indefinite and isolated, spell out).
Population: The population of Chicago is 1,000,000, of whom 150,000 are voters; a hamlet of 18 persons. (But see [paragraphs 9 and 10 under “Spell out.”])
Bonds or stocks: Gold is 109; Metropolitan Railroad, 109; 5-20 bonds; 10-40 bonds; 7.30 bonds; 3.65 bonds; 4½ per cent bonds; 3 per cent bonds; 3½ percents; 4 percents. Where the word “bonds” does not follow the designating expression, spell out, as five-twenties, ten-forties, three-sixty-fives, four-and-a-halfs, threes, etc.
Votes, ballots, etc.: 75 votes; 50 ballots; 300 voters; 167 Democrats; 14 majority.
Definite enumerations (when of a statistical character): 275 persons, 6 sleek horses, 20 head of sheep, 9 dusty travelers; 43 reports, covering 109 pages. (But see [paragraph 9 under “Spell out.”])
Dates: June 29, A. D. 1882; December 6, 1846; the 1st of January, 1883; June 12; the 5th instant; the 20th day of March; the 1st (day) of the month. July 4, 1776, was the great day which gave to the world the celebrated Declaration of Independence, and now our Fourth of July is something to be remembered by all patriotic Americans; 4th of July claims.
Serial numbers: Section 3; No. 1728; paragraph 247; page 125; volume 6 (or Volume VI, as written); 1536 Ninth street; Route No. 17342; clerk of class 3.
Spell out—