The civil service arithmetic. [With] A key, Book 1

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Page 23 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Page 63 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of the fraction...
Page 22 - APOTHECARIES' WEIGHT. 20 Grains = 1 Scruple 3 Scruples = 1 Drachm 8 Drachms = 1 Ounce 12 Ounces = 1 Pound APOTHECARIES
Page 14 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 113 - In any proportion, the product of the means is equal to the product of the extremes.
Page 19 - Place the sum down as in the last example, then mark off from the right of the dividend as many figures as there are ciphers in the divisor...
Page 9 - It shows that the numbers between which it is placed, are to be multiplied together. Thus the expression 9x6, signifies that 9 and 6 are to be multiplied together, and is read, " 9 multiplied by 6," or, simply,
Page 67 - Divide by any number that will divide two or more of the given numbers without a remainder, and set the quotients, together with the undivided numbers, in a line beneath.
Page 237 - IV. to which the Third Book is introductory, is a further extension of the same general plan, with the addition of a division on the more popular branches of Natural Science and Physics, sequentially arranged. BOOK V., which...
Page 133 - I. Multiply the principal by the rate, and that product by the time expressed in years, to find the interest II.

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