Advanced arithmetic. [With] Key by W.M. Mansfield

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Σελίδα 19 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Σελίδα 242 - If 15 men, 12 women, and 9 boys, can complete a piece of work in 50 days, what time would 9 men, 15 women, and 18 boys, take to do twice as much, the parts done by each in the same time being as the numbers 3, 2, and 1 ? A.
Σελίδα 297 - Two partners, A and B, gained £ 140 by trade ; A's money was 3 months in trade, and his gain was ,.£60 less than his stock; and B's money, which was <£50 more than A's, was in trade 5 months. What was A's stock ? Ans.
Σελίδα 181 - If A can do as much work in 5 hours as B can do in 6 hours, or as C can do in 9 hours, how long will it take...
Σελίδα 294 - ... bought for £88 sells for £110; what is the gain per cent. ? If bought for £110, he had been sold for £88, what would have been the loss per cent. ? If the rates of loss and gain differ, . explain why they differ. 7. Bought a quantity of goods for £150 ready money and sold them again for £200 payable £ of a year hence ; what was the gain in ready money, allowing discount at 4-J per cent. ? 8. If goods be sold on the condition to allow 10 per cent. discount, if payment be made at the end...
Σελίδα 92 - If the numerator and denominator of a fraction be multiplied by the same number, the value of the fraction is not altered.
Σελίδα 91 - To reduce fractions to their lowest terms. A fraction is in its lowest terms when its numerator and denominator are prime to each other; that is, when both terms have no common divisor.
Σελίδα 242 - A, B, C, are sent to empty a cistern, by means of two pumps of the same bore. A and B go to work first, making 37 and 40 strokes respectively a minute; but, after 5 minutes, they make each 5 strokes less a minute, and, after 10 minutes more, A gives way to C, who works at the rate of 30 strokes a minute. The cistern is emptied in 22 minutes altogether, and the men are paid 12s.
Σελίδα 134 - To multiply decimals, multiply as in integers and point off in the product as many decimal places as there are in both multiplicand and multiplier.
Σελίδα 226 - London? 11. A woman buys a certain number of eggs at 21 a shilling and the same number at 19 a shilling ; she mixes them together and sells them at 20 a shilling ; how much does she gain or lose per cent. by the transaction ? 12.

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