# An Elemtary Arithmetic ...: Serving as an Introduction to the Higher Arithmetic,by George R. Perkins

H. H. Hawley and Company, 1849 - 347 sider

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### Innhold

 ARITHMET1c Defined 9 Subtraction of Simple Numbers 27 Multiplication of Simple Numbers 37 42 Proof of Division 56 Reduction of Vulgar Fractions 69 Least Common Multiple 83 Reciprocals of Numbers 97 Federal Money 111
 Value of Foreign Coins at Custom House 198 Compound Proportion 214 Percentage 222 Interest by Aliquot Parts 228 Interest when time is Estimated in Days 234 Discount 246 Commission 255 Fellowship 261

 English Money 124 Wine Measure 133 Circular Measure or Motion 139 Addition of Denominate Numbers 150 Exercises in Addition and Subtraction 156 Questions involving the preceding Rules 165 Addition of Denominate Fractions 175 Repetends 182 Duodecimals 190
 Assessment of Taxes 267 Involution 279 Extraction of the Square Root 285 Examples involving the Square Root 291 Extraction of the Cube Root 297 Examples involving the Cube Root 306 Geometrical Progression 312 Mensuration 325

### Populære avsnitt

Side 80 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Side 238 - ... apply the payment, in the first place, to the discharge of the interest then due. If the payment exceeds the interest, the surplus goes towards discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due. If the payment be less than the Interest, the surplus of Interest must not be taken to augment the principal, but Interest continues on the former principal until the period when the payments, taken together, exceed the Interest due, and...
Side 113 - 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.
Side 109 - 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.
Side 138 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Side 238 - The rule for casting interest, when partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due. " If the payment exceeds the interest, the surplus goes towards discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due.
Side 273 - B \$600 ; one-third is to be paid in 6 months, one- fourth in 8 months, and the remainder in 12 months : what is the mean time of payment ? Ans.
Side 109 - In multiplication of decimals, we know that the number of decimal places in the product is equal to the sum of those in both the factors.
Side 344 - A can do a piece of work in 3 days, B in 4 days, and C in 5 days, how many...
Side 52 - DIVISION we find how many times one number is contained in another. The number to be divided, is called the DIVIDEND ; the number by which to divide is called the DIVISOR; the number of times the dividend contains the divisor is called the QUOTIENT.