The New Federal Calculator, Or Scholar's Assistant: Containing the Most Concise and Accurate Rules for Performing the Operations in Common Arithmetic ... for the Use of Schools and Counting Houses

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J.B. Lippincott & Company, 1868
 

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Page 127 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Page 127 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.
Page 159 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference. 6. If the extremes be 5 and 605, and the number of terms 151, what is the common difference?
Page 75 - ... multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as ftie third term.
Page 12 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 128 - To find the least common multiple or denominator. RULE. Divide the given denominators by any number that will divide two or more of them without a remainder, and set the quotients and the undivided numbers underneath.
Page 148 - A man was hired 50 days on these conditions. — that, for every day he worked, he should receive $ '75, and, for every day he was idle, he should forfeit $ '25 ; at the expiration of the time, he received $ 27'50 ; how many days did he work...
Page 8 - When the multiplier is a composite number, (or exactly equal to the product of any two figures in the multiplication table ; — RULE. — Multiply first by one of those figures, and that product by the other, the last product will be the answer.
Page 118 - ... them. Rule. As the sum of the stocks of each of the partners added together, Is to the sum advanced by each of them, So is the whole gain or loss, To the gain or loss of any of the partners. . Case 2. When the stocks are considered with respect to time.

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