American book Company, 1905 - 253 СЕКъДЕР
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### пЕЯИЕВЭЛЕМА

 NOTATION AND NUMERATION 7 MULTIPLICATION 22 CASTING OUT NINES 40 APPROXIMATE RESULTS 57 LONGITUDE AND TIME 78 MENSURATION 99 GRAPHICAL REPRESENTATIONS 124 METHOD OF ATTACK 140
 INTEREST 167 BankS AND BANKING 186 ExcHANGE a 193 STOCKS AND BONDS 200 INSURANCE 207 TAXES AND DUTIES 216 LOGARITHMS 224 EXERCISES FOR REVIEW 235

### дГЛОЖИКч АПОСПэСЛАТА

сЕКъДА 64 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
сЕКъДА 133 - Specific Gravity. The specific gravity of a substance is the ratio of its weight to the weight of an equal volume of some other substance taken as a standard.
сЕКъДА 64 - MEASURE 12 inches (in.) = 1 foot (ft). 3 feet = 1 yard (yd.). 5J yards or Щ feet = 1 rod (rd.) . 320 rods = 1 mile (mi.). SURFACE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq.
сЕКъДА 183 - Find the amount of the principal to the time when the payment, or the sum of the payments, equals or exceeds the interest due.
сЕКъДА 48 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
сЕКъДА 66 - Liquid Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
сЕКъДА 65 - 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...
сЕКъДА 63 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or ╖ . 12 Ounces = 1 Pound, . . Ib., or ft,.
сЕКъДА 65 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . \$. 10 Dollars = 1 Eagle . E.