Practical arithmetic for the use of adults

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Σελίδα 8 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq.
Σελίδα 7 - AVOIRDUPOIS WEIGHT. 16 drams (dr.) make 1 ounce, marked oz. 16 ounces 1 pound Ib. 28 pounds 1 quarter qr. 4 quarters 1 hundred weight cwt. 20 hundred weight 1 ton T.
Σελίδα 10 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Σελίδα 10 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Σελίδα 49 - Dividing the numerator and denominator of a fraction by the same number does not alter the value of the fraction.
Σελίδα 56 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Σελίδα 9 - MEASURE. 1728 cubic inches make 1 cubic foot. 27 cubic feet " 1 cubic yard. 40 cubic feet of round or 50 > „ . cubic feet of hewn timber $ 128 cubic feet
Σελίδα 7 - TROY WEIGHT. 24 grains (gr.) make 1 penny-weight, marked dwt. 20 penny-weights 1 ounce oz. 12 ounces 1 pound Ib. By this weight are weighed gold, silver, jewels, corn, bread, and liquors. 13. If an ingot of silver weigh 42 oz. 13 dwt., what is it worth at 4 cents per dwt.
Σελίδα 103 - When, in order to find a fourth proportional, several circumstances require to be considered, it is called Compound Proportion. If 14 horses eat 56 bushels of oats in 16 days ; how many bushels will be required for 20 horses for 24 days?
Σελίδα 9 - Measure. 4 gills make 1 pint 2 pints 1 quart 4 quarts 1 gallon 10 gallons 1 anker of brandy 42 gallons 1 tierce 63 gallons...

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