### Contents

 Definitions 1 English System of Numeration 35 COMMON FRACTIONS 45 Subtraction of Fractions 51 DECIMALS 66 Circulating Decimals 72 ANALYSIS 87 080 95
 Rules 146 Apothecaries Weight 155 To find the Percentage the Base 162 To find the Base the Amount or Differ 168 To find the Cost the Gain or Loss 174 To find a General 238 To find the Interest the Principal Rate 250 211 259

 COMMISSION 100 Measures of Time 108 Standard Time 114 Addition of Denominate Numbers 122

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Page 103 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Page 127 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Page 124 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl...
Page 37 - Then divide the product of the remaining factors of the dividend by the product of the remaining factors of the divisor, and the result will be the quotient. EXAMPLES FOH PRACTICE 7O. Divide (a) 14 x 18 X 16 X 40 by 7 x 8 X 6 X 5 X 3. (*) 3 x" 65 X 50 X 100 X 60 by 30 X 60 x 13 x 10.
Page 138 - CUBIC MEASURE. 1728 cubic inches (cu. in. ) = 1 cubic foot (cu. ft.).
Page 145 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Page 39 - Multiplying or dividing both terms of a fraction by the same number does not change its value.
Page 125 - LENGTH 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5| yards = 1 rod (rd.) 320 rods = 1 mile (mi.) 1 mile = 1,760 yd.
Page 127 - 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.
Page 39 - A fraction is one or more of the equal parts of a unit...