The standard arithmetic Volume 2; for schools of all grades and for business purposes

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. 1877 ...through air 4372 feet in 4 seconds 1 30. A man who had purchased a barrel of spirits for $31.50 added a quantity of water to it, and then sold the fluid at 40 cents a gallon, and made a profit of 10 cents on each gallon bought. How much water did he add 1 31-42. A difference of 15 of longitude makes a difference of 1 hour in clock-time. How far E.or W. of New York is each of the following places, the difference in time for Funchal being 3i hrs.; that of Cadiz, 4$-£ hrs.; Genoa, 5f; Constantinople, Off; Bombay, 9$£; Calcutta, 104JJ-; Canton, 12f£; Jeddo, 14f; Cape of Good Hope, 6; St. Helena, 4§; St. Thomas, f $ (slow); New Orleans, 1 (slow)? Note.--The computation of interest may be performed by proportion; in fact, a thorough explanation of problems in interest almost necessitates the use of the principles of proportion. Take the following Required the interest on 8124 at 7, for 2 years and 2 months. Ans. $18.81. (a.) $1: $124::7 $8.68. (b.) 1 2 $8.68: $18.81. 400. Questions having Inverse Ratios. When the quantities are so related that as the one increases the other diminishes, or as one is decreased the other must be increased, they vary inversely and their ratio is inverse. Exercise CXXX. 1. If a room requires 84 yards of carpeting of a yard wide, how many yards of carpet J of a yard wide would it require 1 2. In what time will 42 sheep consume as much as will feed 36 sheep 29 days? 3. If loaves weigh 18 oz. each when flour is $8 a barrel, what ought loaves to weigh when flour is $10.50 1 4. When $113 currency would purchase $100 gold, 800 gold dollars were bought; what number of gold dollars will the same amount of currency buy when gold is quoted at 1.15$? 5. How long will it take 18 men to do as m...