889. Oral Problems.

1. What will be the cost of 48 yards of cloth at 871¢ per yard?

2. How many square yards in a piece of carpet 48 yards long, 27 inches wide?

3. How many yards of carpet 27 inches wide will be needed to cover a floor containing 48 square yards?

4. Paid $3.45 for groceries, $1.50 for dry goods, and 99¢ for sundries. What is the total?

5. From a chest containing 25 pounds of tea, 8 pounds were sold. How many pounds remain ?

6. At 37 per peck, what will I receive for 4 bushels of potatoes?

7. 83 yards of cloth are divided into 9 pieces. How many yards are there in each piece?

8. I buy hardware to the amount of $6.37. I give the storekeeper two $5-bills. How much change should I receive?

9. What will be the cost of 24 yards of calico at 43 per yd.? 10. What will I have to pay for 19 base-balls at $1.25 each? 11. At $1.87 per yard, what will be the cost of 120 yards of silk?

12. For $120, how many yards of silk can I buy at $1.87 per yard?

13. What will be the cost of a ton of hay at 971 per cwt.? 14. A square field requires 320 rods of fence. How many square rods are there in the field?

15. How many acres are 6,400 sq. rd.?

16. At 4 per yd., how many yards of calico can I buy for 95¢?

17. If slate pencils cost 2 mills each, how many will I receive for $4?

18. At $5.00 per ton, how many pounds of coal can be bought for 14?

19. Find the cost of 3 T. 480 lb. coal at $5 per ton.

20. At $5 per ton, how many tons and pounds of coal can I buy for $10.80?

21. How many square yards are there in a field 41 yards ung, 42 yards wide?

22. If I pay 15 for 3 yards of muslin, what is the price per yard?

23. How many acres of land are there in two farms containing, respectively, 347 and 495 acres?

24. At 871 each, how many base-balls can be bought for $56? 25. If one man can do a piece of work in 24 days, and another man can do it in 48 days, how long will it take both, working together?

APPROXIMATIONS.

890. Give approximate answers at sight (Art. 521):

1. Find the interest of $150, at 4%, from Jan. 1, 1893, to Dec. 30, 1895. (Nearly 3 years.)

2. What is the weight, at 571 lb. per cu. ft., of a cake of ice 4 ft. by 2 ft. by 1 ft.? (Nearly 60 lb. per cu. ft.)

3. Find the amount of goods sold, the commission at 27% being $11.75. (About 3%.)

4. What % of 497 is 249?

5. What % of 318 is 1131?

6. Cost of 19,987 ft. boards at $30.05 per M.?

7. How much will be paid for 4 bbl. sugar, each containing 299 lb., @5 per lb.?

8. 18.0327 ÷ 4.5026.

9. 8318-328.

10. 74 A. 155 sq. rd. land at $79 per A.?

895. Divide. Do not write products (Arts. 385, 616):

1. How many boards 16 ft. long, 8 in. wide, will be required for a tight fence 8 ft. high, around a piece of ground 240 ft. long, 180 ft. wide? How many posts, 6 ft. apart, will be needed?

2. A room is 18 ft. long, 15 ft. wide. The walls and the ceiling contain 930 sq. ft. What is the height of the room?

3. What will it cost to cover a table 6 ft. long, 24 ft. wide,

with baizeyd. wide, at 75¢ per yd.?

rods make 1 acre.

4. 160 square How many square yards are there in an acre? About how many yards long is a square field containing 1 acre?

5. A 40-acre field is 160 rods long. How many rods of fence are needed to enclose the field?

6. A room 30 ft. long, 24 ft. wide, 15 ft. high, contains 40 persons. How many square feet of floor space are there for each occupant? How many cubic feet of air space are there for each?

7. How many yards of carpet, 27 inches wide, would be needed for the floor of such a room?

8. How many bundles of laths, each bundle covering 3 square yards, would be needed for the walls and ceiling of the above room, no allowance being made for doors and windows?

9. A farmer owned a rectangular piece of ground 30 rods long, 27 rods wide. He sold three lots 18 × 8 rods, 12 × 3 rods, 15 x 9 rods.

Find the number of square rods in the original piece. Mark in the diagram the area of each lot sold, and the area of the part remaining.

10. How many rods of fence will be needed to enclose the part remaining?