A Practical Arithmetic

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Ginn, 1897 - Arithmetic - 413 pages

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Page 361 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 150 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 345 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Page 276 - ... is equal to the square root of the difference of the squares of the hypotenuse and the other side.
Page 162 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 163 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 109 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
Page 274 - Multiply the complete divisor by the second figure of the root, subtract the product from the dividend, and to the remainder annex the next period for a new dividend.
Page 255 - That is, in any proportion either extreme is equal to the product of the means divided by the other extreme ; and either mean is equal to the product of the extremes divided by the other mean.
Page 89 - In this and the following examples, answers to the nearest hundredth are sufficiently correct. 11. A cubic foot of platinum, the heaviest substance known, weighs 1365 pounds. A cubic foot of water weighs 62.5 pounds. How many times as heavy as water is platinum ? 12. How many times as heavy as water is common sand, a cubic foot of sand weighing 103 pounds ? 13. Granite is 2.72 times as heavy as water. Find the weight of a cubic foot of granite. 14. Wrought iron is 7.77 times as heavy as water. Find...

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