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114. The brokerage for buying or selling London exchange is $5 per £10,000. What is the brokerage on £3500?

115. In London a broker's commission is 4% on continental exchanges. Find in U. S. money a London broker's commission on 48,000 marks.

116. The annual expense of handling $1000 in deposits recently was $4.02 in savings banks and $8.03 in trust companies. Find the difference in expense for deposits amounting to $78,452,250.

117. The report of 147 joint stock, fire-insurance companies for a period of five years showed a premium collection of $196,532,866, 8.61% of which was gain. Find the gain.

118. With U. S. 3s reg. at 102ğ, what is the annual return on an investment of $35,962.50, brokerage %?

119. How much must I invest in Imperial Japanese 41s at 91ğ to yield an annual income of $1350, brokerage %?

120. One issue of 1000-dollar New York City 3% bonds amounting to $3,125,000 sold at a premium of $45,877. What was the selling price per bond?

121. For one issue of $3,555,000 of New York City bonds 112 was paid, the highest price paid up to that time for municipal bonds. How much did the entire sale bring?

122. When the shadow of a man 6 feet tall was 41 feet long, the shadow of a tree beside which he stood was 54 feet long. How tall was the tree?

123. A pencil 4 inches long, held 3 feet from the eye, just covers a tree 45 feet high. How far distant is the tree?

124. A balloon will support as many pounds as the weight of the gas it contains is less than the weight of the same volume of air. The weight of 100 cubic inches of air is 31 grains. How much will a balloon containing 90,000 cubic feet of coal gas support, if coal gas is as heavy as air?

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A pile of wood 8 ft. long, 4 ft. wide, and 4 ft. high, or 128 cu. ft. of wood, is called a cord.

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1 bu. 2150.42 cu. in., or approxi mately 14 cu. ft.

Our bushel is the Winchester bushel. In form it is a cylinder 18 in. in diameter and 8 in. deep. This has been

In measuring the capacity of cis- displaced in England by the imperial terns, etc., 311 gal. = 1 barrel.

bushel of 2218.192 cu. in.

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This is used to some extent in filling prescriptions. The grain, ounce, and pound are the same as in troy weight, but the ounce is divided differently.

20 grains (gr.)

3 scruples

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1 scruple

= 1 dram

= 1 ounce

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8 drams

12 ounces

= 1 pound

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The earth revolves around the sun in 365 days 5 hours 48 minutes 46 seconds. This is the solar year, and is nearly 365 days.

To correct the errors in the calendar, made by disregarding the fraction of a day over 365 days, centennial years divisible by 400 and other years divisible by 4 are lengthened 1 day, Feb. 29. These years are leap years.

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360 degrees

4 right angles, or 1 circumference

90° of angle = 1 right angle; 90° of arc = 1 quadrant.

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The principal simple units in the metric system are the meter, the gram, and the liter, together with their decimal parts and multiples named by means of the following prefixes:

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The unit of area is the square meter. In forming its parts and multiples, 100 square units of any order make 1 of the next higher order.

The unit of volume is the cubic meter. In forming its parts and multiples, 1000 cubic units of any order make 1 of the next higher order.

1 cu. cm. of water weighs 1 gram; 1 cu. dm., or 1 liter, of water weighs 1 kilogram; 1 cu. m. of water weighs 1000 kilograms, or 1 metric ton. In land measure, a square dekameter is called an are; .01 of an are = 1 centare; 100 ares = 1 hektare, the commonest unit.

In measuring wood, a cubic meter is called a stere.

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COMPOUND INTEREST TABLE

Amount of $1, at various rates, compound interest, 1 to 20 years

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