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16. How much coal will $16.80 buy if 871% of a ton is worth $2.10?

17. If 82 yd. of cloth cost $47.12, how much will 47.1 yd. cost?

18. 48 men can do a piece of work in 10 days. How many men can do it in 21 days?

LESSON 71

1. A owns of a piece of land, and B owns the remainder. If B's share is 34 acres less than A's, how many acres does each own?

2. of 60 is 66% of what number?

3. 60% of 80 is what per cent of .5 of 120?

4. If a certain number is increased by 60% of itself, the sum will equal 240. What is the number?

5. Find the interest of $250 for 3 mo. at 6%.

6. A druggist bought quinine at 32 an ounce avoirdupois weight, and retailed it at the rate of 30 grains for 10. Find the gain per cent.

7. What number diminished by of itself equals .3?

8. A miller bought 720 bu. of wheat at 68¢ a bushel. He sold 288 bu. at 87 a bushel, and made the remainder into flour which he sold at $4.50 a barrel. Did he gain or lose by the transaction, and how much, allowing 41 bu. to make a barrel of flour?

9. A boy spent 331% of his money for a bicycle, $ 25 for a suit of clothes, and then had $ 23. How much money had he at first?

10. If a man's age is diminished by 15% and 7 remainder will equal 27 yr. What is his age?

yr., the

11. A man sold a coupé for $82.50 and gained 25%. Find the cost. Find the gain.

12. A merchant bought 160 yd. of calico at 121¢ a yard and sold it at a reduction of 2.5%. Find the entire loss.

13. I made 24% by selling 25 barrels of sweet potatoes for $69.75. How much did they cost me a barrel?

14. $.02 is 8% of how many cents?

15. If .75 of 6 bushels of wheat cost $4.5, how much will 80% of 2 bu. cost?

LESSON 72

1. If 42% of my neighbor's farm equals 281 acres, how many acres are there in his farm?

2. If a tank can be filled by a pipe in 11 hr., what part can be filled in 1 hr.? In 1 hr.? In 31 hr.?

3. A man having $ 2550 spent $420 for an automobile, $224 for a horse, and $172 for a carriage. What per cent of his money remained?

4. I sold a cow for $32.64 and thereby lost 4%. Find the cost of the cow.

5. By selling goods for $84 a profit of 163% will be realized. What is the cost of the goods?

6. $220 is 1371% of the cost of an acre of land. Find the cost.

7. If § of a melon is worth 21, what is the value of 1 melon? Of of a melon? Of of a melon?

8. If of 6 yd. of cloth cost $23, how much will of 7 yd. cost?

9. A man sold a horse for 13 times what it cost him and by so doing gained $36. How much did the horse cost him?

10. A merchant purchased 320 bbl. of flour at $4.75 a barrel. For how much must he sell the whole of it to gain 35% ?

11. A merchant sold a quantity of goods for 13 of their cost and by so doing lost $25. Find the cost of the goods.

12. I bought 33 boxes of goods at $66 a box. How many turkeys, at $2 each, will pay for the goods? 13. If 5 yd. of flannel cost $54, how much will 4 yd. cost?

14. A woman sold of her eggs to one man and of them to another, and then had 11 remaining. How many had she at first?

15. Two men started from the same place and traveled in the same direction, one at the rate of 46 mi. in 5 hr., and the other 16 mi. in of an hour. How far apart

will they be in 3 hours?

16. If yd. cost $24, how much will yd. cost?

17. Find the cost of 20% of 75 oranges, at the rate of doz. for 5.

18. 662% of 24 is 160% of what number?

19. A flour dealer sold 331% of 2640 bbl. of flour to one man, 121% of the remainder to another. He sold what still remained for $4527.60. How much was that a barrel?

20. From a piece of silk there were cut 5 pieces, each containing 32 yd., and there remained 29 yd. How many yards did the whole piece contain?

PRACTICAL MENSURATION

LESSON 73

Government lands are divided into Townships, 6 miles square, by parallels and meridians. Townships are divided into Sections, one mile square, 640 acres. Each section is subdivided into half-sections, 320 acres ; quarter-sections, 160 acres; half-quarter-sections, 80 acres; and quarterquarter-sections, 40 acres.

[blocks in formation]

Figure 1 shows the division of a township into sections and the way they are numbered, beginning at the N.E.

corner.

Figure 2 shows, on an enlarged scale, how sections are divided and named.

1. How many acres are there in a section? How many sections in a township?

[blocks in formation]

2. How many acres are there in a township?
3. How many acres are there in a half-section?
4. One section is what part of a township?

5. What part of a township is a half-section?

6. What is the perimeter of a township? Of a section? 7. How many acres are there in a quarter-section? What is the perimeter of a quarter-section?

8. The perimeter of a section is what per cent of the perimeter of a township?

9. The perimeter of a quarter-section is what per cent of the perimeter of a half-section?

10. How many acres are there in a half-quarter-section? 11. How many acres are there in a quarter-quartersection?

12. What is the length, in rods, of a half-section? In chains? State the width, in rods, of a half-section. In chains.

13. A quarter-quarter-section is what part of a whole. section? What per cent of a whole section? What per cent of a half-section?

14. How many acres are there in a tract of land 1 mi. long and 160 rd. wide?

15. How many acres are there in a piece of land 80 ch. long and 40 ch. wide?

16. Find the number of acres in a piece of land 10 ch. square.

LESSON 74

Plastering Laths are usually 4 ft. long, 11⁄2 in. wide, and in. thick. They are generally put up in bundles of 100 laths each. After allowing for waste, it is estimated that a bundle will cover 6 sq. yd.

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