(a) Find the value of the load of hay, ticket No. 186, at $8.25 a ton. (e) Change 8 miles to rods. (f) Change 30 rods to feet. (g) Change 36 rods to yards. (h) Change 2160 lb. oats to bu. (i) Change 5240 lb. to tons. (j) Change 274 ft. to inches. MEASUREMENTS. 1. One hundred sixty square rods are one acre. A piece of land 1 rod wide and 160 rods long is one 2. A piece of land j of a mile long and 1 rod wide is 3. Land 2 rd. wide and rd. long is one acre. -th of an acre. of an acre. 10. Land 8 rods by 10 rods is of an acre. 11. Land 1 rod wide and 1 mile long is 12. Land 2 rods wide and 1 mile long is 13. Land 66 ft. wide and 1 mile long is 14. Land 5 rods by 16 rods is (a) How many square rods in a rectangular piece of land 28 rd. by 36 rd. ? acres. acres. acres. square rods. REVIEW. * (b) Find the area of a rectangular surface 18 ft. by 26 ft.* (c) Find the volume of a rectangular solid 15 ft. by 8 ft. by 23 ft. 15. How many cords in a pile of wood 4 ft. wide, 4 ft. high, and 36 ft. long ? (d) How many cords in a pile of wood 4 ft. high, 4 ft. wide, and 276 ft. long? (e) How many cords in a pile of wood 4 ft. wide, 4 it. high, and as long as your schoolroom? * See foot-note (*), page 55. † See foot-note (t), page 55. RATIO AND PROPORTION. 1. One ninth of 36 is 2. One eighth of 36 is 3. One seventh of 36 is (a) Find 1 eighth of 353.6. (c) Find 1 fifth of 1685. 36 is į of 36 is of 4. Five eighths of 80 are 80 is of 5. Three fifths of 60 are 60 is of (e) Find of 680. (f) 680 is of what number? (9) Find of 435. (h) 435 is z of what number? 6. 22 is of 33. of 55. of 99. of 77. 33 is 55 is 99 is 77 is of 22. of 33. of 55. of 44. 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? 12. Twenty is of 16, or and times 16. A man can earn and times as much in 20 days as he can earn in 16 days. If he can earn $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? PERCENTAGE. 80 per cent .8.0 (2) (3) 9 is -% of 45. 10. 9 is per cent of 63. 9 is -% of 36. 11. 9 is per cent of 27. 9 is -% of 72. 12. 9 is per cent of 18. 9 is -% of 90. 13. 9 is per cent of 81. 14 is -% of 35. 14. 21 is per cent of 35. 14 is -% of 21. 15. 21 is per cent of 28. 35 is % of 42. 16. 28 is per cent of 35. -% of 25. 12, is 17. Mr. Dow had 80 bushels of apples; he lost 25% of thəm by decay; he lost bushels and had bushels left. 18. Fourth-of-July night Willie had 104; this was 12 per cent of what his father gave him to spend ; his father cents. 19. Sarah had 45 chicks; a hawk killed 18 of them; the hawk killed per cent of her chickens. gave him PERCENTAGE. (1) (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) 2. 20 is 80% of 20 is 83} % of (h) 280 is 80% of what ? (i) 280 is 831% of what ? (j) 276 is 60% of what? (k) 276 is 75% of what? (1) 224 is 7% of what ? (m) 531 is 9% 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 ? 4. $36 is % of $400. $55 is -% of $500. 5. $2.40 is —% of $80. $3.50 is —% 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. |