# A short system of practical arithmetic: compiled from the best authorities [etc.]. (Google eBook)

Glazier, Masters & Co., 1829

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### Contents

 PAGE 95 Compound rul t 1Tio? 169 Duodecimals 178 Rule of Three 187
 Conjoined Proportion 193 Loss and Gain 201 Simple 1nterest 219 Exchange 237

### Popular passages

Page 152 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Page 21 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 181 - RULE.* — Multiply the sum of the extremes by the number of terms, and half the product will be the answer.
Page 202 - To measure a Parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area or superficial content.
Page 180 - Find the first figure of the root by trial, and subtract its power from the" left hand period of the given number. 5. To the remainder bring down the first figure in the next period, and call it the dividend. 4. Involve the root to the next inferior power to that which is given, and multiply, it by the number denoting the given power, for a divisor.
Page 119 - Is when the several shares of stock are continued in trade an equal term of time. RULE. As the whole stock is to the whole gain or loss : so is each man's particular stock, to his particular share of the gain or loss.
Page 153 - 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 required.
Page 135 - Subtract the principal from the last amount, and the remainder will be the compound interest. EXAMPLES.
Page 193 - A man was hired 50 days on these conditions. — that, for every day he worked, he should receive \$ '75, and, for every day he was idle, he should forfeit \$ '25 ; at the expiration of the time, he received \$ 27'50 ; how many days did he work...
Page 142 - RULE.—Multiply each payment by the time at which it is due; then divide the sum of the products by the sum of the payments, and the quotient will be the equated time.* • , EXAMPLES.