Essentials of Arithmetic, Oral and Written

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 edition. Excerpt: ...to two decimal places in the quotient. Express the result as per cent. 227. Written Exercises. 1. What per cent of 120 mi. is 90 mi.? 2. $ 45 is what per cent of $ 50? Find what per cent of: What per cent of his land did he sell? What per cent of it did he have left? 18. A coal dealer bought 240 tons of coal. He sold 160 tons. What per cent of it did he sell? What per cent of it did he have left? 228. Oral Exercises. 1. 1 times a number is what per cent of the number? If 1J times a number is 36, what is the number? If 133 % of a number is 48, what is the number? 2. What per cent of a number is 1 times the number? If 150 % of a number is 12, what is the number? 3. If 1 times a number is 20, what is the number? If 166% of a number is 60, what is the number? 4. If 6 % of a certain amount is $ 30, what is 1 % of the amount? 229. Per Cent of Gain or Loss. 1. Mr. A bought a cow for $40 and sold it at a gain of $"8. $8, the gain, is what per cent of $40, the cost? 2. Mr. Clark bought a cow for $40 and sold it for $48. Find the gain. The gain is what per cent of the cost? 3. Mr. Brown bought a horse for $120 and sold it for $100. Find the amount of his loss. His loss is what per cent of the cost of the horse? 4. When the cost price and the selling price are given, how is the amount of the gain or loss found? 5. The per cent which the amount of gain or loss is of the cost is called the gain or loss per cent. The gain or loss per cent is always some per cent of the cost. To find the gain or loss per cent, find what per cent the amount of gain or loss is of the cost. 6. A furniture dealer bought some rocking-chairs for $4 each and sold them for $6 each. How much did he make on each chair? What was his gain per cent? 7. A bicycle that cost $40 was sold...