10. Three eighths of 32 are 2 thirds of 11. Five eighths of 32 are 2 thirds of (i) Three eighths of 528 are 2 thirds of what number? (j) Five eighths of 528 are 2 thirds of what number? If he can earn much in 20 days as he can earn in 16 days. $44 in 16 days, in 20 days he can earn dollars. (k) If a man can earn $740 in 16 weeks, how much can he earn in 20 weeks? 13. If 20 bushels of apples are worth $12, 15 bushels are worth dollars. (1) If 20 gal. of milk are worth $3.24, how much are 15 gal. worth? 17. Mr. Dow had 80 bushels of apples; he lost 25% of them by decay; he lost left. bushels and had bushels 18. Fourth-of-July night Willie had 104; this was 121 per cent of what his father gave him to spend; his father gave him cents. 19. Sarah had 45 chicks; a hawk killed 18 of them; the hawk killed per cent of her chickens. 1. 80 per cent of 55 (a) Find 80% of 435. (c) Find 40% of 435. (e) Find 7% of $435. PERCENTAGE. = (1) 83 per cent of 48 = (g) A lawyer's commission for collecting money was 9%;* he collected $834. How much of this money should he keep? and how much should he "pay over" to the man for whom he collected the money? 2. 20 is 80% of (h) 280 is 80% of what? (j) 276 is 60% of what? (1) 224 is 7% of what? (2) 20 is 831 % of (i) 280 is 831% of what? (n) A lawyer's commission for collecting money was 9%;* his commission amounted to $54. How much did he collect? and how much should he "pay over" to the man for whom he collected the money? (3) 3. Fifty-six dollars are what per cent of $800? This means, $56 are how many hundredths of $800 ? 5. $2.40 is -% of $80. $55 is -% of $500. -% of $50. 6. A lawyer collected $900; he retained as his commission $63 of this sum, and paid the remainder, $837, to the man for whom he collected the money; the lawyer's commission for collecting was *9% of what? 9% of the amount collected. %. 2. One hundred times 5 times a number are the number. 9 multiplied by 500 = (a) Multiply 78 by 80. (b) Multiply 96 by 700. (Change to halves.) Story. times Story. 3. Divide 12 by 21. (c) Divide 345% by 2. (d) Divide 345.6 by 2.4. (e) Multiply $338 by 2.4. (f) Multiply $338 by 2.43. (g) When land is $375 an acre, how much will 3.35 acres 7. A piece of land 160 rods long and as wide as the schoolroom is about acres. (j) How many square rods in a rectangular piece of land 47 rods by 6 rods? Is this more or less than 1 acre? Is it more or less than 2 acres ? 8. One cord is cubic feet. cord = (k) How many cubic feet of wood in a pile 7 feet by 5 feet by 6 feet? Is this more or less than 1 cord? Is it more or less than 2 cords? save MISCELLANEOUS PROBLEMS. 1. If a man can save $5 a month, in 3 years he can dollars. (a) If a man can save $27 in a month, how much can he save in 9 years? 2. Byron bought 2 doz. oranges for 404; he sold them at 34 each; he gained cents. (b) A merchant bought 35 barrels of apples for $85; he sold them at $2.75 a barrel. How much did he gain? 3. Henry had 25 chickens; a hawk caught 20% of them; he sold the remainder at 22¢ each; he received dollars and cents. (c) Henry's father had 75 bushels of apples; he lost 20% of them by decay; he sold the remainder at 85¢ a bushel. How much did he receive for them? 4. If coffee costs $ a pound, for 1 dollar I can buy pounds. 1 = (d) If tea costs $3 a pound, how many pounds can I buy for $57? (Change $57 to fifth-dollars.) 5. The sum of two numbers is 34; one of the numbers is 12; the other number is (e) The sum of two numbers is 346.2; one of the numbers is 75.36. What is the other number? 6. In a piece of slate 1 foot square and 1 inch thick there are cubic inches. (f) How many cubic inches in a piece of slate 2 feet square and 2 inches thick? (g) If g of a ton of coal is worth $4.20, how much is 1 ton worth? |