1. A grain dealer bought 25,000 bu. of wheat at 97¢

per bushel, and after 3 months, sold it for $1.12 per bushel. He paid storage charges at the rate of

month. What was his gain?

per bu. a

2. A grain elevator holds 800,000 bushels. If it is kept full for 6 months, what will storage charges amount to at ¢ per bu. a month?

3. Six vessels carry 800,000 bu. of grain from Chicago to Buffalo. If 1 of them carries 160,000 bu., what is the average load of one of the other five?

4. Wheat weighs 60 lb. to the bushel. What is the weight, in tons, of 160,000 bushels? In hundredweight?

5. An elevator containing 645,000 bu. of grain caught fire and the grain was damaged. The grain was worth 87¢ per bu. and was insured for $250,000. What was the loss not covered by insurance?

6. The owner of the grain, after receiving the insurance money, sold the damaged grain for feed at 13¢ per bushel. What was his actual loss?

7. Corn weighs 56 pounds to the bushel. How many car loads of 20 tons each will fill a vessel that can carry 90,000 bushels?

8. At 10¢ per cwt., what will it cost to ship 90,000 bu. of corn from Chicago to New York City?

9. A vessel owner agrees to carry 125,000 bu. of corn for $3750. How much does he charge per cwt.? Per

ton?

10. A builder received $127.25 for making some repairs to a house. He pays each of 2 helpers $2.50 per day for the 12 days needed to do the work. How much money remains for him?

5. A room is 16 ft. long and 14 ft. 6 in. wide. How many feet of picture moulding would be needed to go around it? How much would it cost at $.12 a foot?

6. One side of a square room is 4 yd., 1 ft., and 6 in. long. How many feet of border would be needed in papering the room?

7. A rectangular field 40 rd. wide is twice as long as it is wide. How many rods of fence would be needed to inclose it? If the fence is 6 wires high, how many feet of wire will it contain?

8. Corn rows in this field are 4 ft. apart, the first row 2 ft. from the long side. How many rows are there? The rows are 79 rd. 3 yd. long. How far would they reach, placed end to end?

1. Add 12 sq. yd., 4 sq. ft., 120 sq. in.; 4 sq. yd., 7 sq. ft., 20 sq. in.; 6 sq. yd., 9 sq. ft., 16 sq. in., and 7 sq. ft., 4 square inches.

2. Add 4 cu. yd., 9 cu. ft., 1200 cu. in.; 3 cu. yd., 400 cu. in.; 4 cu. ft., 600 cu. in.; 5 cu. yd., 12 cubic feet.

3. Add 15 gal., 3 qt., 1 pt.; 4 gal. 2 qt.; 6 qt., 1 pt.; 9 gal., 1 pint.

4. Add 3 bu., 3 pk., 7 qt.; 4 bu., 2 pk., 6 qt.; 3 pk., 4 qt.; 3 bu., 1 pk., 6 qt.; 1 pk., 2 quarts.

5. Add 2 T., 16 cwt., 80 lb.; 1 T., 8 cwt., 15 lb.; 3 T., 10 cwt., 50 lb.; 18 cwt., 90 pounds.

6. Add 4 hr., 45 min., 15 sec.; 6 hr., 30 min.; 55 min., 45 sec.; 3 hr., 30 seconds.

7. Subtract 16 sq. yd., 7 sq. ft., 44 sq. in. from 24 sq. yd., 5 sq. ft., 120 square inches.

8. Subtract 3 cu. yd., 9 cu. ft., 680 cu. in. from 12 cu. yd., 6 cu. ft., 1240 cubic inches.

9. Subtract 1 gal., 3 qt., 1 pt. from 4 gal., 2 qt., 1 pint. 10. Subtract 2 bu.,2 pk., 5 qt. from 6 bu., 3 pk., 4 quarts. 11. Subtract 2 T., 15 cwt., 15 lb. from 4 T., 12 cwt.,

20 pounds.

12. Multiply 9 cu. yd., 8 cu. ft., 640 cu. in. by 4.

13. Multiply 6 gal., 3 qt., 1 pt. by 5.

14. Multiply 5 bu., 3 pk., 7 qt. by 2.
15. Multiply 2 T., 10 cwt., 60 lb. by 3.
16. Multiply 4 hr., 40 min., 30 sec. by 5.

17. Divide 16 sq. yd., 3 sq. ft., 141 sq. in. by 3.
18. Divide 19 cu. yd., 1 cu. ft., 216 cu. in. by 9.
19. Divide 26 gal., 3 qt., 2 gi. by 6.
20. Divide 12 bu., 1 pk., 3 qt. by 5.
21. Divide 12 T., 3 cwt., 50 lb. by 10.

PROBLEMS IN DENOMINATE NUMBERS

309

1. A train traveled 32 mi., 120 rd., 7 yd., one hour, and 30 mi., 160 rd., 4 yd., the next. How far did it travel in the two hours?

2. One field contains 6 A., 80 sq. rd., and 40 sq. yd.; the field beside it contains 14 A., 120 sq. rd., 20 sq. yd. If the fields are joined into one, how much land will it contain?

3. A building covering 60 sq. yd., 6 sq. ft., 72 sq. in., is enlarged by an addition which covers 9 sq. yd., 8 sq. ft., 72 sq. in. What is the area covered by the entire building?

4. One room contains 185 cu. yd., 7 cu. ft., 192 cu. in. of air; another 172 cu. yd., 4 cu. ft., 432 cu. in.; a third 864 cu. yd., 2 cu. ft., 192 cu. in. If the air in all the rooms is entirely changed once every hour, how much air will be required in 1 hour?

5. A grocer had 2 gal., 2 qt., 1 pt. of vinegar in his store. He purchased 7 gal., 3 qt., 1 pt. more. How much had he then?

6. A farmer raised 56 bu., 3 pk. of Irish potatoes, and 24 bu., 2 pk. of sweet potatoes. How many had he in all? 7. One family used 1 T., 13 summer; another family 1 T., 9 cwt., 75 lb. How much did both families use?

cwt., 50 lb. of ice in one

8. A steamship made the first half of a trip in 6 da., 10 hr., 45 min., and the return trip in 7 da., 3 hr., 15 min. 2 da., 6 hr., 30 min. were spent in port before returning. How long was the ship away from the starting-point?

9. A boy rode 10 mi., 80 rd., 4 yd. in 1 hour, and 2 mi. 120 rd., 3 yd. less the next hour. How far did he ride in the second hour?

1. A man owning a farm of 740 A. and 78 sq. rd. sold 290 A. and 98 sq. rd. How much land had he left?

2. In a bin holding 7 cu. yd. 9 cu. ft. 576 cu. in. a partition was placed separating a part holding 3 cu. yd. 18 cu. ft. 1152 cu. in. What was the capacity of the remaining part?

3. From a cistern holding 10 bbl. 14 gal. 1 qt. of water, a quantity was taken out leaving 2 bbl. 8 gal. 3 qt. in the cistern. How much was taken out?

4. From a load of grain weighing 2 T. 14 cwt. 30 lb., 1 T. 18 cwt. 80 lb. were removed. What was the weight of the remaining part?

5. A train made a trip in 14 hr. 15 min. 25 sec. Another train made the same trip in 1 hr. 50 min. 45 sec. less time. In what time was the trip made by the second train?

6. Two boats left the same port at the same time. One sailed 21 mi. 175 rd. 3 yd. while the second sailed twice as far. How far did the second one sail?

7. A building whose area was 84 sq. yd. 3 sq. ft. 72 sq. in. was torn down and another built whose area was three times that of the old one. What was the area of the new building?

8. In digging a cellar, 24 cu. yd. 3 cu. ft. 576 cu. in. of earth were excavated. It was then determined to make the cellar three times as large. How much more earth was removed? How much in all was removed?

9. A book dealer shipped 3 boxes of books. One weighed 1 cwt., 90 lb., 8 oz.; the second twice as much as the first, and the third, as much as both the others together. What was the entire weight?