### Contents

 CHAPTER 9 REVIEW EXERCISES IN DECIMAL FRACTIONS 34 ALIQUOT PARTS OF A DOLLAR 41 RAILROADS 51 PRACTICAL MEASUREMENTS 88 FORESTRY 122 CHAPTER PAGE 126 APPLICATIONS OF PERCENTAGE 150
 TRADE EXCHANGE COLLECTIONS 235 CHAPTER PAGE 263 INVOLUTION AND EVOLUTION 285 MENSURATION 306 METRIC SYSTEM 338 THE EQUATION 373 IMPORTANT NUMERICAL FACTS 383 INDEX 391

 INTEREST 183 APPLICATIONS OF INTEREST 203

### Popular passages

Page 325 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 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.
Page 65 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl.) 2...
Page 313 - 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 349 - CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1.) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hektoliter (hi.) 10 hektoliters = 1 kiloliter (kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (hg.) 10 hektograms = 1 kilogram (kg.) 18.
Page 346 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Page 66 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (�). 156.
Page 313 - A right triangle is a triangle, one of whose angles is a right angle.
Page 270 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change.
Page 325 - The altitude of a cone is the perpendicular distance from the vertex to the base.