A New Practical and Theoretical Arithemtic: In Which, in Addition to the Usual Modes of Operation, the Science of Numbers, the Prussian Canceling System, and Other Important Abbreviations, Hold a Prominent Place

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E. Morgan & Company, 1845 - 288 σελίδες
 

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Σελίδα 160 - 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.
Σελίδα 208 - Multiply each man's stock by the time he continues it in trade ; then say, as the sum of the products is to each particular product, so is the whole gain or loss to each man's share of the gain or loss. EXAMPLES. 1. A and B...
Σελίδα 133 - It is evident that the terms of a proportion may undergo any change which will not destroy the equality of the ratios ; or which will leave the product of the means equal to the product of the extremes.
Σελίδα 134 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time...
Σελίδα 51 - AVOIRDUPOIS WEIGHT. 16 drams (dr.) make 1 ounce, marked oz. 16 ounces 1 pound Ib. 28 pounds 1 quarter qr. 4 quarters 1 hundred weight cwt. 20 hundred weight 1 ton T.
Σελίδα 136 - For, if we have given ab' = a'b, then, dividing by bb', we obtain Corollary. The terms of a proportion may be written In any order which will make the product of the extremes equal to the product of the means.
Σελίδα 55 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Σελίδα 53 - TABLE. 4 gills (gi.) - make - - 1 pint, marked pt. 2 pints ------- 1 quart, - - - qt. 4 quarts ------ 1 gallon, - - - gal. 31£ gallons ------ 1 barrel, - - - bar. 63 gallons ------ 1 hogshead, - - hhd. 2 hogsheads ----- 1 pipe, - - - P.
Σελίδα 79 - 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.
Σελίδα 182 - 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 time required.

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