A treatise on mercantile and practical arithmetic

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author, 1824 - Arithmetic - 300 pages
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Page 115 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Page 2 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Page 134 - ... as many places for decimals as are equal to the greatest number of decimal places in any of the given numbers.
Page 114 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Page 133 - ... by 5, if the shillings be odd, and the third place by 1, when the farthings exceed 12, and by 2 when they exceed 37.
Page 266 - Reduce the fraction to its lowest terms, then extract the cube root of the numerator and denominator for a new numerator and denominator ; but if the fraction be a surd, reduce it to a decimal, and then extract the root from it.
Page 255 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Page 114 - To reduce an improper fraction to its equivalent whole or mixed number. RULE. Divide the numerator by the denominator...
Page 140 - Four quantities are said to be Proportional, when the ratio of the first to the second, is the same as the ratio of the third to the fourth.
Page 264 - Cube the last figure in the quotient. 2. Multiply all the figures in the quotient by 3, except the last, and that product by the square of the last. 3. Multiply the divisor by the last figure. Add...

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