The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science are Illustrated by a Variety of Examples : a Large Proportion of which are in Federal Money ...

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Thomas Davis, 1847 - 198 páginas
 

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Página 122 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Página 81 - RULE.* Multiply the principal by the rate per cent, and divide the product by 100: the quotient will be the interest for 1 year.
Página 138 - ... from the left hand period, and to the remainder bring down the next period for a dividend.
Página 111 - The number above the line is called the numerator, and that below the line the denominator. The denominator...
Página 140 - To the remainder bring down the first figure in the next period, and call it the dividend. 4. Involve the root to the next inferior power to that which is given, and multiply, it by the number denoting the given power, for a divisor.
Página 61 - Direct. 2. Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.
Página 138 - Suppose a ladder 40 feet long be so planted as to reach a window 33 feet from the ground, on one side of the street, and without moving it at the foot, will reach a window on the other side 21 feet high; what is the breadth of the street?
Página 35 - TABLE. 2^- inches in. make 1 nail marked na. 4 nails - - - 1 quarter of a yard qr. 4 quarters - - - 1 yard - - yd. 3 quarters - - - 1 Ell Flemish - E. Fl. 5 quarters - - - 1 Ell English - EE 6 quarters - - - 1 Ell French - E. Fr.
Página 113 - To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Página 121 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.

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