# Cobb's Explanatory Arithmetick, Number Two: Containing the Compound Rules, and All that is Necessary of Every Other Rule in Arithmetick for Practical Purposes and the Transactions of Business ...

De silver, Thomas & Company, 1832 - 216 páginas

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### Contenido

 Compound Arithmetick 9 Compound Addition 17 Compound Substraction 48 Compound Multiplication 73 Compound Division 92 Vulgar Fractions 110 Addition of Vulgar Fractions 120 Decimal Fractions 126
 Reduction of Currencies 147 Compound Interest 162 Rule of Three Inverse 174 Loss and Gain 180 Practice 186 Single Fellowship 194 Double Rule of Three 202 Evolution 208

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Página 152 - The rate of interest upon the loan or forbearance of any money, goods or things in action, except as otherwise provided by law, shall be six dollars upon one hundred dollars, for one year, and at that rate, for a greater or less sum, or for a longer or shorter time.
Página 13 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl...
Página 212 - Separate the given number into periods of three figures each, by putting a point over the unit figure, and every third figure beyond the place of units. 2. Find the greatest cube in the left hand period, and put its root in the quotient. 3.
Página 117 - 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. This product becomes the numerator of the result and the denominator remains the same, eg, 2 (5x3) + 2 15 + 2 17 3" 3 3 " 3 To change an improper fraction to a mixed number, simply divide the numerator by the denominator.
Página 209 - Double the figures already found in the root for a new divisor, (or, bring down your last divisor for a new one, doubling the right hand figure of it,) and from these find the next figure in the root, as last directed, and continue the operation in the same manner, till you have brought down all the periods.
Página 209 - ... place the root of it at the right hand of the given number, (after the manner of a quotient in division) for the first figure of the root, and the square number under the period, and subtract it therefrom, and to the remainder bring down the next period for a dividend.
Página 174 - L«JS requiring more, is when the third term is less than the first, and requires the fourth term to be greater than the second. RULE.
Página 167 - Single Rule of Three Direct teaches, by having; three numbers given, to find a fourth, that shall have the same proportion to the third, as the second has to the first.
Página 158 - Cast the interest on the several payments, from the time they were paid, to the time of...
Página 174 - Inverse, teaches by having three numbers given to find a fourth, which shall have the same proportion to the second, as the first has to the third.