Myers-Brooks Grammar School Arithmetic (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ...number is a number whose unit is concrete; as, 13 mi., 8 hr., 40 A., $125, etc. A concrete unit is a unit having a specific name; as, 1yd., 1 lb., $1, 1 hat, 1 horse, etc. A compound denominate number is a number expressed in two or more units of the same kind; as, 11 hr. 25 min. 15 sec; 12 gal. 3 qt. 1 pt. 3 gills. TABLES OF MEASURES Note.--Read carefully the tables that follow and fix them in mind by solving the problems beginning on page 191. 129. Measures of Value. The standards of value of the United States and of some of the European countries are here given with both their rough and their accurate equivalents in U. S. money. The coins of the United States are bronze, nickel, silver, and gold. Table Of English Money 4 farthings (far.) = 1 penny (d.) 12 pence = 1 shilling (s.) 20 shillings = 1 pound (J6) 21 shillings = 1 guinea Table Of Monetary Units or Other Nations Germany, 1 mark (M.) = 100 pfennige (pf.) France, 1 franc (fr.) = 100 centimes (c.) Russia, 1 ruble (r.) = 100 copecks (c.) Austria-Hungary, 1 crown, or filler = 100 heller Italy, 1 lira = 100 centessimi. 130. Measures of Weight. Three systems of weight units are used in the United States, viz.: troy weight, avoirdupois weight, and apothecaries' weight. Troy weight is used in weighing gold, silver, and jewels; avoirdupois weight is used for weighing all ordinary articles, and apothecaries' weight is used by druggists in mixing medicines. The standard of weight in the U. S. is the troy pound. The grain is the same in all three systems; the pound the same in troy and in apothecaries' weight and different in avoirdupois. Table Of Troy Weight Table Of Equivalents 24 grains (gr.) = 1 pennyweight (dwt.) 5760 gr. 20 pennyweights = 1 ounce (oz.) 240 dwt. = 1 lb. 12 ounces = 1 pound (l...