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7. One nickel is what per cent of a dime? Of a quarter?

8. of 65 is 66% of what number?

9. Divide by ; 31 by 1; 41 by 1; 1 by 41.

10. What is a composite number? A prime number? 11. One dozen is what per cent of a gross?

12. What is a quadrilateral? A rhomboid?

13. What is the area of a trapezoid whose parallel sides are 12 in. and 18 in. respectively, the distance between them being 20 in. ?

14. Draw on paper a trapezoid 4 in. long and 3 in. wide. Cut it out from the paper, and from it construct a rectangle of equal magnitude.

15. Draw on paper a rectangle 3 in. long and 2 in. wide. Cut it out, and from it construct a trapezoid of equal magnitude.

16. If yd. of cloth cost $8, how much will 3.331⁄2 yd. cost?

17. What is the distance, in degrees, between two places whose difference in time is 1 hr.?

18. A room is as wide as it is long.

If its length is 16 ft., how many square feet are there in the floor?

19. How many rings, each 21 pwt., can be made from 25% of a pound of gold?

20. Find the entire surface of a block 12 in. by 6 in. by 4 in.

21. How much will it cost to dig a cellar 48 ft. long, 24 ft. wide, and 6 ft. deep at 22¢ a cubic yard?

LESSON 53

1. Mr. Harrison sold his horse for $220, which was of its cost. Find its cost.

2. How many inches are there in of a mile?

3. If 17 yd. of silk cost $23.80, how much will 12 yd. cost?

4. Reduce £ 140 108. 8d. to United States money. a yard, how many yards of ribbon can be

5. At 371 bought for $1

?

6. I bought 1 pk. 2 qt. 1 pt. of huckleberries for 84¢. At what price per quart must they be sold to gain 121%?

7. A man earned $161 in 71 days. how much could he earn in 98 days?

At the same rate,

8. How many half-inch cubes are there in a block 12 in. long, 8 in. wide, and 6 in. thick?

9. Write in words: 8,406,701,015; 84.040162.

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10. At 1 a sheet, what will be the cost of a quire of paper?

11. If 11 is 111% of the cost of a basket of peaches, how much will 2 baskets cost?

12. How many dozen eggs at 12 a dozen will pay for 8 yd. of gingham at 161 a yard?

13. How many score in 20 doz. ?

14. If 20 men do a piece of work in 12 days, in how many days can 15 men do it?

15. mile is what part of 2 miles?mile is what per cent of 2 miles?

16. $143 was paid for 24 yd. of cloth. Find the price per yard.

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State the decimal and per cent equivalents of the fol

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57. What is 5% of 2000 pounds of hay?

MODEL. 5% 180, or 2.2% of 2000 pounds = 100 pounds Ans.

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Find:

58. 20% of $80.
59. 4% of 100 bu.

60. 121% of 400 lb.
61. 7% of 320 in.
62. 163% of $12.24.

63. 371% of 80 gal.

64. 871% of 96 apples.
65. 1% of 300 yd.
66.1% of 300 ft.

67. % of 600 mi.

68. 1% of 800 qt.

69. % of 1600 cwt.

70. A man bought potatoes at 40 a bushel and sold them for 20% more than he paid for them. For how much per bushel did he sell them?

71. I paid $30 for a bicycle and sold it at a gain of 331%. Find the gain.

72. A dealer bought coal at $3.25 per ton and sold it at a gain of 4%. How much was gained on each ton?

73. A rectangular piece of land is 30 ft. long. Its width is 66% of its length. Find the area of the rectangle.

LESSON 55

1. What is 85% of 4620 acres of land?

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18. Find the value of 25% of 420 bu. of potatoes at 42 per bu.

19. At 33 a bushel, how many bushels of apples can you buy for 34% of $250?

20. A man earned in a year $900. If he paid 30% for board and clothing, and 10% for other expenses, how many dollars had he remaining?

21. A man having $15,380 invested 15% of it in land, 30% of it in a coal mine, and the remainder in city building lots. How many dollars did he invest in each? 22. 18% of 38 bu. = how many bushels, pecks, quarts? how many pounds, ounces,

23. 111% of 26 lb. Troy pennyweights, grains?

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24. What is 5% of $9330?

25. A dealer bought a gross of slates for $39.60 and sold them at a profit of 20%. Find the selling price of each slate.

26. A man dying left $11,280 to be divided among his six children. 65% of the money was to be equally divided between his two sons, and the remainder was given in equal shares to his four daughters. Find the share of each son and daughter.

LESSON 56

1. 10% of a number is what part of the number?

2. If 10% of the money a man paid for a hat is 25, how much did he pay for the hat?

3. 121% of a number is what part of it?

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