 | Harry De Witt De Groat, Sidney Grant Firman, William A. Smith - Arithmetic - 1926 - 336 pages
...go from one figure to the next ? How long does it take it to go all around the face of the clock ? 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) There are 12 hours shown on a clock face. There are 24 hours from one midnight to the next midnight,... | |
 | Edward Ira Edgerton, Perry Amherst Carpenter - Mathematics - 1928 - 392 pages
...pounds of oats to 1 bushel. 1 bbl. of flour weighs 196 pounds. 1 nickel weighs about 5 grams. Time 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 30 days = 1 business month (for interest work, etc.) 12 months = 1 year... | |
 | United States. Bureau of Naval Personnel - Mathematics - 1951 - 280 pages
...radian = 57.2958 degrees 1 degree = 0.01745 radians 1 mil = 0.05625 degrees 1 degree = 17.778 mils 248 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 4 weeks (approximately) = 1 month (mo.) 12 months = 1 year (yr.) 365 days... | |
 | Robert E. Cornish - Health & Fitness - 1943 - 174 pages
...grain = usually .8 grain of troy weight; 1 carat = usually 3.2 grains of troy weight. TIME MEASURE 60 seconds (sec.) = 1 minute (min.) 60 minutes • = 1 hour (hr.) 24 hours = 1 day (d.) 7 days ^ 1 week (wk.) 4 weeks, 30 days, or 28, 29, "30, or 31 days = 1 month (mo.) 12 months,... | |
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TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24... 
