A Treatise on Arithmetic

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Rivingtons, 1883 - Arithmetic - 347 pages
 

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Page 298 - A person invests £4095 in the 3 per cents. at 91 ; he sells out £3000 stock when they have risen to 93£, and the remainder when they have fallen to 85. How much does he gain or lose by the transaction 1 If ho invests the produce in the 4£ per cents.
Page 43 - A PROPER FRACTION is one in which the numerator is less than the denominator. The value of every proper fraction is less than 1, (Art. 94). The following are proper fractions : 1 1 1 .3 3. £ 9 jS A 2...
Page 291 - A banker borrows money at 3^ per cent, per annum, and pays the interest at the end of the year ; he lends it out at the rate of 5 per cent, per annum, but receives the interest quarterly, and by this means gains £200 a-year ; how much does he borrow ? 15. A person spends in the 1st year n times the interest of his property ; in the 2nd year 2...
Page 310 - At a siege it was found that a certain length of trench could be dug by the soldiers and navvies in 4 days, but that when only half the navvies were present it required 7 days to dig the same length of trench. What proportion of the work was done by the soldiers?
Page 44 - If the numerator and denominator of a fraction be both multiplied or both divided by the same number, the value of the fraction is not altered.
Page 311 - If 5 men and 7 boys can reap a field of corn of 125 acres in 15 days; in how many days will 10 men and 3 boys reap a field of corn of 75 acres, each boy's work being one-third of a man's ? 14.
Page 274 - A and B can do a piece of work in 6 days, B and C...
Page 158 - ... 60. If a man travel 150 miles in 5 days, when the days are 12 hours long, in how many days of 10 hours each will he travel 500 miles?
Page 313 - Petersburgh a debt of 460 rubles, which must be remitted through Paris. He pays the requisite sum to his broker, at a time when the exchange between London and Paris is 23 francs for £1, and between Paris and Petersburgh 2 francs for one ruble.

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