# Complete Schoolmaster's Assistant: Being a Plain Comprehensive System of Practical Arithmetic: Adapted to the Use of Schools in the United States ...

W.&J.Bolles, 1839

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### Inhalt

 25 9 Numeration 15 Addition of Federal Money 25 Subtraction of Federal Money 31 Simple Division 48 Practice in Federal Money 60 Compound Subtraction 66 Compound Division 73
 Rule of Three Inverse 124 Commission Brokerage Insurance 138 Compound Interest 144 Annuities at Simple Interest 150 Fellowship Single 178 Extraction of the Cube Root 190 Alligation 197 Arithmetical Progression 203

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Seite 205 - Given the first term, last term, and common difference, to find the number of terms. RULE. — Divide the difference of the extremes by the common difference, and the quotient increased by 1 is the number of terms.
Seite 189 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Seite 193 - Find the first figure of the root by trial, and subtract its power from the left hand period of the given number. 3. 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.
Seite 122 - A and B depart from the same, place and travel the same road ; but A goes 5 days before B, at the rate of 15 miles a day . B follows at the rate of 20 miles a . day } what distance must he travel to overtake A ? Ans. 300 miles RULE OF THREE INVERSE.
Seite 181 - ... subtract it therefrom, and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Seite 88 - To reduce an improper fraction to a whole or mixed number. RULE. Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought.
Seite 124 - ... 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 the third term.
Seite 231 - To measure a Parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area or superficial content.
Seite 173 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Seite 178 - If a footman travel 130 miles in 3 days, when the days are 12 hours long ; in how many days, of 10 hours each, may he travel 360 miles ? Ans. 9|f days. 5. If 120 bushels of corn can serve 14 horses 56 days, how many days will 94 bushels serve 6 horses?