# A treatise on arithmetic. [With] Key, Volume 1

1880
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### Contents

 INTRODUCTORY EXPLANATIONS 1 SIMPLE ADDITION 14 INTRODUCTORY EXPLANATIONS FOR DIVISION 31 FRACTIONS INTRODUCTORY CHAPTER 46 REDUCTION 62 COMPOUND SUBTRACTION 78 RATIO RATE AND PROPORTION 93 MEASURES AND MULTIPLES 128
 SIMPLE INTEREST 224 DISCOUNT 231 COMMISSION INSURANCE 241 SERIES 266 ANNUITIES 275 CONTINUED FRACTIONS 292 QUESTIONS WITH THEIR SOLUTIONS 301 TABLES OF INTEREST AND ANNUITIES 311

 FRACTIONAL ADDITION 142 DECIMAL FRACTIONS 179199 179 PRACTICE 200 TARE AND TRET 221
 THE METRIC SYSTEM OF WEIGHTS AND MEASURES 322 APPENDIX CONTAINING AN INTRODUCTION TO MENSU 329 275 342

### Popular passages

Page 54 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Page 316 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Page 42 - An improper fraction is one whose numerator is equal to, or greater than its denominator ; as, \$, -f . A mixed number is a whole number and a fraction expressed together; as, 4f, 25-ht.
Page 135 - To reduce an improper fraction to a whole or mixed number, Divide the numerator by the denominator. The quotient will be the whole number, and the remainder, if there be any...
Page 14 - This is no denial of the mathematical proposition that the whole is equal to the sum of all its parts...
Page 136 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
Page 319 - To find the area of a triangle. Multiply the base by the perpendicular height, and...
Page 312 - ... the ratio of the mass of a given volume of the substance to the mass of an equal volume of water, in which case it is equal to the specific gravity. In its application to gases, the term