35. If 2 oxen or 3 cows can eat 3 tons of hay in a month, how much can 2 oxen and 3 cows eat?

36. If 4 horses or 6 oxen plow 8 acres of land in 2 days, in what time can 6 horses and 9 oxen plow 20 acres?

37. If 10 lb. of cheese are worth as much as 4 lb. of butter, and 6 lb. of butter are worth as much as 2 bu. of corn, how many pounds of cheese will pay for 6 bu. of corn?

38. If the sum of 4 and 5 were ten, what would be the sum of 6 and 9? Of 83 ft. and 123 ft.?

39. Two men bought a ton of coal for $7, the first paying $3, and the second $4. What part belongs to each? 40. Divide $24 into two such sums that the second shall be double the first; the second, one-half the first.

41. Divide 42 into three such parts that the second shall be double the first, and the third double the second.

42. Two boys divided 21 apples in the ratio of 3 to 4. How many apples did each of them receive?

43. Two kinds of tea were mixed in the ratio of 4 lb. of green to 3 lb. of black. How many pounds of each are in a mixture of 42 lb.?

44. An estate of $5000 was divided between two children in the ratio of their ages, which were 10 years and 15 years. How much did each receive?

45. If $45 be divided among three boys so that their shares shall be as 2, 3, and 4, how much will each receive?

46. A and B trade in company, furnishing money in the ratio of $4 to $5. If they lose $1800, what is the loss of each? Find the ratio of B's loss to A's.

47. Two men engaged in a business transaction, the first investing twice as much as the second. If they cleared $900, what share of the gain was due to each?

48. Three men hired a pasture for $75, and as often as

the first paid $4, the second paid $5, and the third $6. What did each of them pay?

If they

49. A, B, and C traded together, B investing twice as much as A, and C three times as much as A. gained $900, what was each man's share?

50. Three men rented a farm for $300, A paying $150, B $100, and C $50. Their profits were $1500. What was each man's share?

How

51. Two men rented a pasture for $36, one putting in 3 cows for 4 weeks, and the other 2 cows for 3 weeks. much of the rent should each man pay?

52. A and B engaged to make a section of a road for $500. A furnished 4 men for 10 days, and B furnished 5 men for 12 days. What sum should each have received?

53. A man failing in business has property valued at $9000. If he owes A $3000, B $4000, and C $5000, what part of his debts can he pay? How much to each creditor?

54. If a grocer buys eggs at 20 cents a dozen, for what should he sell them to gain 100 per cent.?

55. If a grocer buys eggs at 20 cents a dozen, for what should he sell them to lose 100 per cent.?

56. If a grocer sells eggs at 20 cents a dozen, and thereby gains 100 per cent., what did he pay for them?

57. If a grocer sells eggs at 40 cents a dozen, and thereby gains 100%, for what should he sell them to lose 100% ?

58. A druggist bought some opium for $5, and sold it in doses so as to double his money. What % did he gain?

59. A wholesale druggist sold some opium that cost him $5, for one-half its cost. What % did he lose?

60. A druggist put drugs worth $5 in prescriptions for the poor, and received nothing in payment. What % did he lose?

61. If sample drugs are sent to a retail druggist and he sells them for $5, what % does he gain?

62. If a grocer buys eggs at the rate of 10 for 8 cents and sells 8 for 10 cents, what % does he gain or lose?

63. If a grocer buys eggs at the rate of 8 for 10 cents and sells 10 for 8 cents, what % does he gain or lose?

64. A farmer had 100 bu. of wheat, and sold 25% of it to one man, and of the remainder to another. What per cent. of his crop remained unsold?

65. What % does a grocer gain or lose by selling cheese at of its cost? At of its cost? For double its cost?

66. If a dealer sold 20 bbl. of flour at $61 a barrel, at a loss of 61%, what was the entire cost of the flour?

67. A man bought goods at 20% below par, and sold them at 20% above par. If he gained $90, how much had he invested? What % did he clear?

68. If a merchant asks for goods 20% more than they cost, and takes of the price asked, what % does he gain or lose? What % of the price asked does he receive?

69. A drover bought a horse for $100. What must he ask for it that, after falling 25%, he may still gain 20% on cost? 70. What must be asked for cloth costing $4 a yard, so that after falling 10% I may still clear 123% ?

71. If a druggist retails at a gain of 50%, and sells at wholesale for 25% less than at retail, what % does he gain at wholesale? What % of the retail price does he receive?

72. If my gain at wholesale is 20%, and my price at retail is 25% more than my wholesale price, what % do I gain at retail? What % of the wholesale price is the retail price?

73. If goods are marked at an advance of 40% on cost, what % is gained on cloth marked 49 cents net, if sold at a discount of 10% net?

74. What % on cost is made on goods marked 25% above cost, and sold at 10% discount, and 5% off for cash?

75. A merchant bought cloth at the rate of $3 for 4 yards, and sold it at the rate of $4 for 3 yards, thereby gaining $7. How many yards did he buy?

76. What number increased by and of itself is 22? 77. A coat and a vest cost $20, and the vest cost as much as the coat. What was the cost of each?

78. If a yard-stick is broken into two parts, and one part is of the length of the other, how long is each?

79. Frank and William have $75, and Frank has ? as much as William. How much has each?

80. If my money increased by of itself and then diminished by $5 leaves $45, how much money have I?

81. A watch and chain together cost $64, the cost of the chain being $6 less than of the cost of the watch. What was the cost of each?

82. Two boys have 48 cents, and one of them has but as many as the other. How many cents has each?

83. A man has three sons; the second being twice as old as the youngest, and the eldest twice as old as the second. If the sum of their ages is 28 years, how old is each?

84. Divide $164 into four such parts that the second shall be four times the first, the third three times the second, and the fourth twice the third.

85. If of Harry's age equals of Charles's age, and the sum of their ages is 15 years, how old is each?

86. Two pieces of muslin contain 51 yards, and of the longer piece equals of the shorter. How long is each?

87. A and B invested $500, and 3 times A's investment equals 7 times B's. What amount did each invest?

88. A drover paid $264 for two horses, of the cost of one

being equal to 2 times the cost of the other. What did each cost?

89. A and B start from the same place, but A travels 12 miles an hour, while B travels but 1 mile. In how many hours will A overtake B? How far will each have gone?

90. The hour-hand and the minute-hand of a watch are together at 12 o'clock. When will they be again together? 91. If of the time past midnight equals the time past noon, what is the time of day?

92. What is the time of day, if of the time past midnight equals the time to noon?

93. If of the time past noon equals of the time to midnight, what o'clock is it?

94. If of the time past midnight equals of the time past noon, what is the hour?

95. At what time between 3 and 4 o'clock will the hourhand and the minute-hand of a watch be together?

96. At what time will the hour-hand and the minute-hand of a watch be together between 8 and 9 o'clock?

97. If of the time to midnight equals of the time to noon, what is the hour?

98. When the time of sunrise is of the time from midnight to noon, at what time does the sun rise?

99. If of the time from midday to midnight is the time of sunset, at what time exactly does the sun set?

100. Harry is 6 years old, and his father is 30 years old. In how many years will the father be only 4 times as old?

101. Frank is four times as old as James, and the sum of their ages is 25 years. In how many years will Frank be only two times as old as James?

102. I had $50, and after spending some of it, what I had left was of what I had spent. How much had I left?