Books Books TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24... A Grammar Shcool Arithmetic - Page 192
by George Albert Wentworth - 1886 - 372 pages 1893 - 258 pages
...years, are leap years, and when centennial years are .divisible by 400 they are leap years. TABLE. 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour ( hr.). 24 hours = 1 day ( da.). 365 days = 1 common year (yr.). 100 years =: 1 century (C.). COMMERCIAL TABLE. 30 days = 1... ## Higher Arithmetic

John Henry Walsh - 1893 - 426 pages
...minute (') 60 minutes .... 1 degree (°) 360 degrees . 1 circumference Time Measure. 60seconds(sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and... ## Intermediate Arithmetic: Including Exercises in Solving Simple Algebraic ...

John Henry Walsh - Arithmetic - 1893 - 270 pages
...What was the total cost of the purchase ? 525. Learn the following tables : TIME. 60 seconds (see.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) DBT MEASUBE. 2 pints (pt.) 1 quart (qt.) 8 quarts 1 peck (pk.) 4 pecks 1... ## "Wentworth & Hill's Exercise Manual: Arithmetic, Volume 1

George Albert Wentworth - 1894 - 320 pages
...scruple (3). 8 drams — 1 ounce ( § )3 scruples — 1 dram ( 3 )- 12 ounces — 1 pound. VI. TIME. 60 seconds (sec.) =• 1 minute (min.). 60 minutes...hours — 1 day (dy.). 7 days - 1 week (wk.). 365 days — I common year (yr.) 366 days — 1 leap-year. The day of this table is the mean solar day, or average... ## An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1894 - 242 pages
...drams = 1 ounce (fl. dnn. viij.). TIME MEASURE. Time Measure is used in measuring duration. TABLE. 60 seconds (sec.) = 1 minute (min.). 60 minutes =...(hr.). 24 hours = 1 day (dy.). 7 days = 1 week (wk.). :(65 days (or 52 wks. 1 dy.)= 1 common year (yr.). 366 days = 1 leap-year. 100 years = 1 century. 1.... ## An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1894 - 232 pages
...drams = 1 ounce (fl. drm. viij.). TIME MEASURE. Time Measure is used in measuring duration. TABLE. 60 seconds (sec.) = 1 minute (min.). 60 minutes =...hour (hr.). 24 hours = 1 day (dy.). 7 days = 1 week fwk.). 365 days (or 52 wks. 1 dy.) = 1 common year (yr.). 366 days = 1 leap-year. 100 years = 1 century.... ## The Werner Mental Arithmetic

Albert Newton Raub - Arithmetic - 1894 - 170 pages
...cents? TIME. Time Measure is used in measuring time or duration. The following is the table : TABLE. 60 seconds (sec.) = 1 minute, min. 60 minutes = 1 hour, hr. 24 hours = 1 day, da. 7 days = 1 week, wk. 365 days = 1 year, yr. 366 days = 1 leap year. 12 calendar months = 1 year.... ## Commercial Arithmetic

Oscar F. Williams - Arithmetic - 1894 - 330 pages
...centennial years, are leap years. II. Ml centennial years divisible by Jj.00 are leap years. Table. 60 seconds (sec. ) = 1 minute min. 60 minutes = 1 hour hr. 24 hours • — 1 day da. 7 days = 1 week wk. 4 weeks = 1 lunar month- mo. 30 days = 1 commercial month . . mo. S65 days... ## A Commercial Arithmetic: Designed for Academies, High Schools, Counting ...

James Bates Thomson - 1894 - 342 pages
...his return to it, and is shown by sun dials. A Mean Solar Day is the average length of apparent solar 60 seconds (sec.) = 1 minute, . . min. 60 minutes = 1 hour, . . . hr. 24 hours = 1 day, . . . d. 7 days = 1 week, . . . tck. 865 days = 1 common year, c.yr. 866 days = 1 leap year, . l.yr.... 