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### Contents

 xiv 25 Rule of Three Inverse 84 ADDITION of Decimals 90 Rules of Proportion iu Deci 102 TABLES of English Coin 118 MULTIPLICATION of ditto 109 certain price of Exchange 123 CLASS II Exchange with 130 ney for the uncertain num 138
 The necessary TABLES of 213 PART II 219 DOUBLE POSITION 225 Geometrical Progression 233 MULTIPLICATION of ditto 81 235 Variations 239 SIMPLE Interest by Decimals 265 Tables for calculating Annui 274

 INSURANCB 184 Loss and GAIN 160 Arbitration of Exchange 193 BARTER 199
 PART III 304 Bills of PARCELS ex Form of a Billbook 329

### Popular passages

Page 282 - Ratio is the relation which one quantity bears to another of the same kind, the comparison being made by considering what multiple, part, or parts, one quantity is of the other.
Page 22 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =� 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Page 65 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of...
Page 144 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 65 - To reduce an improper fraction to its equivalent whole or mixed number. RULE. — Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought.
Page 91 - ... from the right hand of the quotient, point off so many places for decimals, as the decimal places in the dividend exceed those in the divisor.
Page 65 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Page 202 - To extract the Square Root of a Vulgar Fraction. RULE, Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Page 90 - ... each other ; observing to increase the first figure of every line with what would arise by carrying 1 from 5 to 15, 2 from 15 to 25, &c.
Page 64 - Divide the terms of the given fraction by any number, that will divide them without a remainder, and...