The science and art of arithmetic, by A. Sonnenschein and H.A. Nesbitt


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Σελίδα 105 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 103 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 47 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard...
Σελίδα 104 - Now a product must have as many decimal places as there are in the multiplier and multiplicand both.
Σελίδα 88 - If 15 pumps, working 8 hours a day, can raise 1260 tons of water in 7 days, how many pumps, working 12 hours a day, will be required to raise 7560 tons of water in 14 days ? (6) If 24,000 yds.
Σελίδα 256 - The mint price of gold is £3. 17s. 10Jd. per oz. standard. Find the smallest exact number of ounces that can be coined into an exact number of sovereigns. (221) Find the weight of a cubical mass of iron whose edge is 2 ft., 5 in., 3 pts., if the iron is 7'157 times as heavy as water, and a cubic foot of water weighs 1000 oz.
Σελίδα 208 - ... side. By means of these properties, it follows that two sides of a right.angled triangle being given, the third side can be found. EXAMPLES. 1. How long must a ladder be, to reach to the top of a house 40 feet high, when the foot of it is 30 feet from the house ? In this example, it is obvious that the ladder forms the hypotenuse of a right-angled triangle, whose sides are 30 and 40 feet respectively.
Σελίδα 246 - What can he pay in the £, and what will a creditor lose on a debt of £57 ? (108) An estate with a rental of £8790 is sold for £351,600 In order that it may yield the purchaser 3f % for his money, how much % must he raise the rent ? (109) A square court-yard costs £38.
Σελίδα 57 - A person sells out his 3 per cent stock at 86 }, and gets $34,000; he invests one half of this sum in 4 per cent stock at 97, and the remainder in 3J per cent stock at 94. Find the alteration in his income. 5. If 56 cubic feet 1044 cubic inches of timber are required to floor a room 29} feet by 25J feet, what is the thickness of the boards ? 108.
Σελίδα 51 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...

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