The Western Arithmetic: Or, Pennsylvania and Ohio Accomptant: Being a Plain Practical Treatise, with a Complete System of Mensuration

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Cook and Schoyer, 1835 - 250 Seiten
 

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Seite 65 - 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.
Seite 109 - But if any payment be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year : add it to the sum paid, and deduct that sum from the principal and interest added as...
Seite 153 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Seite 74 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Seite 127 - PROBLEM II. • The first term, the last term, and the number of terms given, to find the common difference. RULE. Divide the difference of the extremes by the number o.
Seite 206 - ... as the diameter of the axle is to the diameter of the wheel, so is the power applied to the wheel, to the weight suspended by the axle.
Seite 63 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time...
Seite 141 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Seite 11 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Seite 111 - ... amount of the second, and so on for any number of years required. Subtract the original principal from the last amount, and the remainder will be the Compound Interest for the whole time.

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