### Contents

 PREFACE 1 ADDITION AND SUBTRACTION 7 BILLS 23 144 29 GREATEST COMMON DIVISOR 30 CANCELLATION 42 DIVISION OF FRACTIONS RATIO 48 MULTIPLICATION AND DIVISION BY POWERS OF TEN 54
 PROFIT AND Loss 133 GENERAL REVIEW BY TOPICS 163 MULTIPLICATION 172 LONGITUDE AND TIME 181 STANDARD TIME 187 EXACT INTEREST 218 REVIEW QUESTIONS 224 COMMERCIAL DISCOUNT 231

### Popular passages

Page 84 - 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 90 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Page 85 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Page 202 - The first and fourth terms of a proportion are called the extremes, and the second and third terms are called the means, of the proportion.
Page 327 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Page 304 - X 2* X 3. X 4. X 5. X 6. X 7.
Page 91 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Page 85 - 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 282 - The volumes of similar solids are to each other as the cubes of their like dimensions.