# Ray's New Practical Arithmetic: A Rev. Ed. of the Practical Arithmetic

Van Antwerp, Bragg & Company, 1877 - Arithmetic - 336 pages
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### Contents

 THE ROMAN SYSTEM OF NOTATION 20 COMPOUND NUMBERS 71 31 102 39 112 FACTORING 118 FRACTIONS 131 59 164 PRACTICE 165
 Trade Discount 208 Brokerage 214 84 216 88 234 DISCOUNT 247 EXCHANGE 260 89 268 TAXES 269

 64 159 67 179 72 187 THE METRIC SYSTEM 189 83 193 PERCENTAGE 197 Formulas for the four cases of Percentage 203
 RATIO 276 PROPORTION 282 INVOLUTION 298 MENSURATION 316 94 319 PROGRESSIONS 331 Copyright

### Popular passages

Page 250 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down.
Page 258 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Page 166 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Page 126 - Write the numbers one beside another, divide by any prime number that will exactly divide two or more, and write the quotients and undivided numbers beneath. II. Divide the quotients in the same manner, and thus continue until no two numbers in the lowest line have a common factor.
Page 174 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Page 227 - Three quantities are in proportion when the first has the same ratio to the second, that the second has to the third ; and then the middle term is said to be a mean proportional between the other two.
Page 50 - The dividend is the number to be divided. The divisor is the number by which we divide.