45. 1. Find the cost: ton. 26420 lb. hard coal at $7.75 per 2. Find the cost: 8250 ft. lumber at $24.50 per thousand. 3. Find the cost: 7250 lb. beef at $8.75 per cwt. 4. Find the cost of ten cars bituminous coal at $2.95 per ton, net weights in pounds as follows: 175 bu. corn at 34.5 cents a bushel. 230 bu. oats at 22 cents a bushel. 6. Find the cost of 10 loads wheat at 78 cents a bushel, 46. 1. Multiply 5 mi. 146 rd. by 4. 2. Multiply 3 A. 156 sq. rd. by 5. 3. Multiply 5 cd. 125 cu. ft. by 8. 4. Multiply 8 yd. 2 ft. 5 in. by 7. 5. Multiply 2 mi. 2580 ft. by 9. 6. Multiply 5 sq. ft. 96 sq. in. by 6. 7. Multiply 8 cu. ft. 845 cu. in. by 8. 8. Multiply 15 gal. 3 qt. by 31. 9. Multiply 2 bu. 1 pk. 5 qt. by 28. 10. Multiply 2 T. 1520 lb. by 15. 11. Multiply 1 min. 22 sec. by 128. 12. Multiply 5 hr. 25 min. by 26. 13. Multiply 7 lb. 9 oz. by 12. 14. If the circumference of the drive wheels of a locomotive is 20 ft. 6 in. and there is no slipping of the wheels on the track, how much more than a mile will the engine move for every 320 turns of the wheels? 15. A family buys 2 qt. 1 pt. of milk each day. At 6¢ a quart, how much does the milk cost for the months of October, November, and December? 16. If a train moves at the average rate of a mile in 1 min. 24 sec., in what time will it move 125 miles? 17. A picture measures 3 ft. 8 in. by 2 ft. 6 in. inside the frame. The frame is 6 in. wide. What is the measurement of the outside perimeter of the frame? 18. A man takes 2160 steps in going from his home to his place of business. If the steps average 2 ft. 4 in., how much less than a mile does he walk? 19. In measuring the width of a lot Mr. A. used a stick that was 5 ft. 4 in. long. The width was exactly 8 times the length of the stick. How wide was the lot? (c) Find the sum of the ten results. Find the quotients of the following, true to thousandths. 34. 1.347 2.70. 35. 54.61 25.2. 39. .34296÷.162. 40. 3.6527 +1.08. (d) Find the sum of the ten results. 41. Divide the sum of three and two hundred forty-five thousandths, and three and twelve hundredths by their difference. 55. 1. Divide $436.10 (1) by 35; (2) by 35; (3) by $35; (4) by $3.50; (5) by 3.5.* 2. Divide $78.00 (1) by 24; (2) by 24; (3) by $24; (4) by $2.40; (5) by 2.4.* 3. What is the cost of 1 acre, if 24.5 acres cost $882? 4. A lot of land at $52.50 per acre cost $645.75. How many acres? 5. Paid $791.70 for oats at 321 a bushel. How many bushels? 6. Received $469.80 for 1080 bushels corn. How much per bushel? 7. Paid $15.66 for 4320 pounds of coal. How much per ton? 8. Paid $2340 for 1.8 acres of land. sq. rd.? How much per 9. Paid $25350 for .65 of an acre of land. How much per sq. ft.?t 10. Paid $1000 for a piece of land 4 rods by 6 rods. How much per acre? 11. At $27.50 per thousand, how many feet of lumber can be purchased for $100? 12. At $6.25 per ton, how many pounds of coal will pay for 100 bushels of potatoes at 42¢ a bushel? 13. A farmer sold 10 head of fat cattle for $825. Afterwards they were found to weigh 12840 lb. How much did he receive per cwt.? 14. A farmer sold 35 fat hogs at $5.30 per cwt. He received for them $661.44. What was the average weight per head? * Make problems similar to those on page 55. There are 43560 square feet in one acre. 56. 1. The perimeter of a rectangular garden whose length is twice its breadth is 80 rd. 6 ft. How long is the garden?* 2. If posts are set 12 ft. apart from center to center, how many will be required for a fence inclosing a square piece of land whose side is 40 rods? 3. A cubic foot of water is about 7 gal. 2 qt. In a 2-inch rainfall how many gallons fall upon one acre? 4. A gallon of water weighs about 8 lb. In a 2-inch rainfall how many pounds of water fall upon one acre? 5. A cubic foot of water weighs 62 lb. In a 2-inch rainfall how many tons of water fall upon one acre ? 6. Paid $61.20 for 12 tons of coal. How much per ton? 7. A train runs one mile in 54 seconds. At that rate how many miles per hour would it run? 8. Corn is usually "checked" in planting; that is, the corn is so dropped that it is in rows both lengthwise and crosswise the field. The distance between the hills is uniform, whether measured in the direction of the length or of the breadth of the field. A very common distance between hills and between rows in "the corn belt" is 3 ft. 4 in. (a) How many hills to the acre? (b) How many miles of row to the acre? (c) If the hills produce on the average 1 lb. 8 oz. cured corn (70 lb. to the bushel) each, what is the yield per acre? 9. If 8 hours is regarded as a day's work, and each hour of "overtime" is counted as 11 hours, how much should a person whose regular pay is $2.00 per day receive at the end of a week, his daily time being 8 hr., 10 hr., 9 hr., 11 hr., 10 hr., and 8 hr.? * The perimeter ọi the garden is how many times its width ? |