# Practical Exercises in Commercial Arithmetic

The School, 1919 - Business mathematics - 184 pages
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### Contents

 ADDITION 7 MULTIPLICATION TABLE 14 INTEREST 34 PARTIAL PAYMENTS 49 BANK DISCOUNT 55 AVERAGING OF ACCOUNTS 66 PERCENTAGE 81 TRADE DISCOUNTS 91
 COMMISSION AND BROKERAGE 110 TAXES 119 INSURANCE 129 EXCHANGE 135 STOCKS AND BONDS 146 PARTNERSHIP 158 COMPOUND INTEREST 167 REVIEW PROBLEMS 181

### Popular passages

Page 15 - An improper fraction is one whose numerator is equal to, or greater than its denominator ; as, \$, -f . A mixed number is a whole number and a fraction expressed together; as, 4f, 25-ht.
Page 16 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Page 177 - 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. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 178 - SURVEYORS' SQUARE MEASURE. 144. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 Square Links (sq. 1. ) make 1 Pole P. 16 Poles " 1 Square Chain . sq. ch. 10 Square Chains " 1 Acre A. 640 Acres " 1 Square Mile . . sq. mi. 36 Square Miles (6 miles square)
Page 21 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 45 - RULE. — Divide the given interest by the interest of the given principal for 1 year, and the quotient is the time.
Page 178 - A Cord of wood is a pile 8 ft. long, 4 ft. wide, and 4 ft. high ; for 8 x 4 x 4 = 128.
Page 171 - UNITED STATES MONEY is the legal currency of the United States. It consists of gold coins, silver coins, US Treasury notes, and national-bank notes.
Page 174 - TABLE. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred Weight, cwt. 20 Hundred Weight
Page 177 - MEASURE. 16 sq. rd. — 1 sq. ch. 10 sq. ch. = 1 A. 640 A. =1 sq. mi. 1 sq. mi. = 1 section (sec.). 36 sec. = 1 township. EXERCISE 107. — WRITTEN. 1. A square piece of land is just 80 chains on a side. How many miles must a man walk to go round it ? 2. A side of Russell square in London is G60 feet.