A Practical Arithmetic

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Page 357 - 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 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Page 341 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Page 158 - 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 272 - ... is equal to the square root of the difference of the squares of the hypotenuse and the other side.
Page 146 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 270 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down. NOTE.
Page 251 - 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 85 - 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...
Page 156 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.

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