A Treatise on Arithmetic

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J. Smith, and sold by T. Evans, London, 1776 - 346 páginas
 

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Página 243 - When one has goods at a certain price ready money, but in barter advances it to something more, say, As the ready money price of the one ; is to its bartering price ; ; so is the ready money price of the other to its bartering, price: then the quantity of the latter commodity may be found, cither from the ready money or bartering price.
Página 329 - 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.
Página 329 - ... 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...
Página 66 - Cut off the ciphers from the right of the divisor, and the same number of figures from the right of the dividend ; and then divide the remaining figures of the dividend by the remaining figures of the divisor.
Página 128 - If 48 men can build a wall in 24 days, how many men can do it in 192 days ? Ans. 6 men. 3. If 100 men can finish a piece of work in 12 days, how many can do it in 3 days?
Página 132 - There was a certain building erected in 8 months by 120 w'orkmen, but the same being demolished, it is required to b'e rebuilt in 2 months ; I demand how many men must be employed to do it ? . Ans . 480 men; 10.
Página 333 - RULE. 1. Point every third figure of the cube given, beginning at the unit's place, seek the greatest cube to the first point and subtract it therefrom, put the root in the quotient, and bring down the figures in the next point to the...
Página 273 - ... 4. Then, if only one difference ftand againft any rate, it will be the quantity belonging to that rate ; but if there be feveral, their fum wiU be the quantity.
Página 130 - ... to be lined with shalloon of 3 quarters wide ; I demand how many yards of shalloon will line them?
Página 290 - If the Errors are alike, that is, both greater, or both less than the given Number, take their Difference for a Divisor, and the Difference* of their Products for a Dividend. But if unlike, that is, one too much, and the other too little, then take their Sum for a Divisor, and the Sum of their Products for a Dividend ; the Quotient will be the Answer.

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