A Practical Arithmetic

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Page 155 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 162 - Numbers. 12 units = 1 dozen. 12 dozen = 1 gross. 12 gross = 1 great gross. 20 units = 1 score. Paper. 24 sheets = 1 quire. 20 quires = 1 ream. 2 reams = 1 bundle. 5 bundles = 1 bale.
Page 265 - Sixty days after sight of this first of Exchange (Second and Third of the same tenor and date unpaid...
Page 154 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 109 - A number is divisible by 3 if the sum of its digits is divisible by 3.
Page 279 - The sum of two numbers multiplied by their difference, is equal to the difference of their squares.
Page 157 - TIME 60 seconds (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 About 30 days = 1 month (mo.) 12 months = 1 year VALUE 10 cents (ct.
Page 293 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 292 - The logarithm of a product is the sum of the logarithms of the factors.
Page 153 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.

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