$256.25; Thursday, $324.25; Friday, $293.50; and on Saturday, $410. What were the receipts for the week! 22. A man who had $4538 paid out, on an average, $653 for 7 months. How much had he left ? 23. A coal dealer bought 346 tons of coal by the long ton of 2240 pounds, and sold it by the short ton of 2000 pounds. How many tons did he sell? What did he gain if a ton cost him $3 and he sold it at $5% 24. The sales in a department store in Chicago average $87,000 per week. What is the average per day! 25. A woodcutter sold 45 cords of wood at $4 per cord and bought cows at $35. How many cows did he get? 26. If a bookkeeper receives for his work $75 per month and his expenses are $35 per month how long will it take him to pay for a lot which cost $490! 27. The expense of a picnic party of 10 ladies and 12 gentlemen was $2 each. The men paid all. What did it cost each of them? 28. The distance from Edinburgh to London by rail is 405 miles. How long does it take a train running at the rate of 45 miles an hour to go from one city to the other! 29. How many acres in the District of Columbia which has an area of 70 square miles? 30. Yellowstone Park is in the form of a rectangle and is 65 miles long and 55 miles wide. What is its area in square miles? 31. A gardener has 54 rows of cabbages with 127 in a row. What are they worth at 3 cents apiece? 32. A city lot has 243 feet frontage. What is it worth at $7 per front foot? 33. A schoolroom of 54 pupils uses 6578 sheets of paper in one term. What is the average number of sheets used by each pupil? Time yourself and find how long it takes to work the first five examples. The second five. 4. 125 × 800 − 75 × 500 + 25 × 75 = ! 5. 646 778 = ? Add: 1. 465, 678, 890, 5647, 3452, 98756, 879, 67895, 657 987, 76, 9245, 765, 654, 768, and 546. 2. 654, 768, 65478, 65, 6574, 329, 910, 760, 6580, 87054, 6574, 846, and 54013. 3. Find the difference in the results of the twc preceding examples. 4. From 425 × 634 ÷ 50 take 396 × 9. 5. 7246 +1493 + 2987 × 1534 + 4 + 69+ 8764 = ? *O's on the left of a number are not considered in reading the number. 024 is 24. 003 is 3. 0146 is 146. 7. Read all the numbers in exercise 31. Write in figures: 1. One hundred ten. 6. Two hundred nine. 11. Seven hundred seventy-seven. Write in figures and separate into periods of three figures each 15. Three thousand four. 16. Twelve thousand four hundred sixteen. 17. Thirty-eight thousand four hundred eighty-eight. 18. One hundred one thousand six hundred eighty. four. 19. Two hundred thousand ninety; forty-four thousand six hundred six; eighty thousand forty-five; one hundred thirty-nine thousand. 20. One million seven hundred twenty-one thousand nine hundred forty-four. 21. Two hundred eighty-eight million seven hundred thirty-four. 22. One billion fourteen million twenty. 23. Two hundred thousand seven hundred one. 24. Eight hundred forty dollars and twenty cents. 25. Six thousand eight hundred one dollars and seven cents. 26. Nine hundred seventy-seven dollars and seventyseven cents. It is rarely that we find numbers as high as billions in real life. Don't spend much time in learning to read very large numbers until later. EXERCISE 48. Find the L. C. M. of the denominators of these frac 5. A sawmill foreman has two logs, one 30 ft. long and the other 15 ft. long. He wishes to cut them into boards of the same length and the greatest length possible. How long will the boards be? (Find the G. C. D. of 15 and 30.) 6. What is the least quantity of milk that can be exactly measured by two quart, gallon, and two gallon measures? (Find the L. C. M. of 2, 4, and 8.) 7. Each of a man's steps are between 20 and 30 inches in length. In walking 175 inches and in walking 225 inches he takes an exact number of steps. How long is his step? 8. My money is just enough to buy a whole number of baskets of grapes at 30 or of peaches at 25. How much money have I? 10. A farmer exchanged 34 head of stock worth $42 each for hay at $12 a ton. How many tons did he get? 11. A lady made a mistake in purchasing, and exchanged 16 yd. of cloth worth $4 a yd. for 3 pieces of cloth each containing 8 yards. What was the cloth she got last worth per yard? |
