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41. If of a pound of sugar cost of a dollar, what would 13 of a pound cost, at the same rate?

42. Bought of a yard of cloth for 24 dollars what would 3 yards cost at that rate? What would 7 yards cost? What would be the cost of 12 yards?

43. If you should buy 5 yards of calico for 18 of a dollar, what should be the cost of 4 yards at that rate?

44. If 8 men can do a piece of work in 3 days, how long would it take 1 man to do the same?

45. If 7 men

can build a wall in 9 days, how long would it take 1 man? How long would it take 3 men? would it take 9 men?

How long

46. If 12 dollars will gain a certain sum in 3 months how long would it take 9 dollars to gain the same?

47. A man had a piece of work which 15 men could do in 7 days, but it was necessary that the whole should be completed in 1 day, how many men must be employed?

48. A. can do a piece of work in 17 days, by working 12 hours a day, how long would it take B., if he should work 9 hours a day?

49. If 100 dollars will draw 6 dollars interest in a year, how many years would it take 25 dollars to draw the same interest?

50. If 25 men can earn a days, how long would it take 75 How long would it take 5 men? men?

certain sum of money in 15 men to earn the same sum? How long would it take 45

51. A certain number of men can build a wall in 45 days, by working 10 hours a day, how many days would it take them if they should work 9 hours per day?

52. When flour is 5 dollars a barrel, the eight cent loaf weighs 3 pounds, what should it weigh when flour is 6 dollars a barrel? 7 dollars a barrel? 8 dollars a barrel? 9 dollars a barrel? 10 dollars a barrel?

53. A garrison of 250 men have provisions sufficient to last 48 days, if each man is allowed 15 ounces per day, how

many ounces may be allowed per day, to each, in order that the same provisions may last the garrison 56 days? How many ounces per day must be allowed that the provisions may last 32 days?

54. If 7 men can do a piece of work in 4 days, by working 9 hours per day, how many hours per day must they labor to accomplish the same work in 7 days? In 33 days? In 2 days?

55. If 7 men can build a wall in 3 days, by working 113 hours per day, how many hours per day must they labor to build the same wall in 53 days?

56. If 6 men, in 9 days, can build 4 rods of wall, how many rods would 12 men build in 3 days? How many rods would 2 men build in 18 days?

57. If 36 dollars, in 8 months, will gain 3 dollars, how much will 48 dollars gain in 12 months? 96 dollars in 9 months?

58. A merchant paid 50 dollars for the use of 1000 dollars for 30 days, how much ought he to pay for the use of 900 dollars for 60 days? 1200 dollars for 20 days?

59. If a lot of ground 35 rods long, and 25 rods wide, cost 750 dollars, what would be the cost of another lot which measures 140 rods in length and 75 rods in width?

60. If a wall 650 feet long, 20 feet high, and 8 feet thick, cost 1260 dollars, what would be the cost of a wall which is 130 feet long, 15 feet high, and 6 feet thick?

61. If 4 men build 5 rods of bank in 9 days, how long would it take 52 men to build 100 rods of bank, having the same dimensions?

62. A man gave 500 dollars for a lot of ground 20 feet front, and 180 feet deep, how deep must a lot be, that has 25 feet front, and sells for 750 dollars?

63. If 100 dollars will draw 6 dollars interest in 360 days, how long a time would be required for 960 dollars to draw 63 dollars interest?

64. If a wall 840 feet long, 12 feet high, and 6 feet thick, can be built in 45 days, how many days would be required to build a wall 960 feet long, 9 feet high, and 4 feet thick?

65. If of a yard of cloth that is of a yard wide be worth 13 of a dollar, i. e., of a dollar, what would be the cost of a piece which is 24 yards long, and 14 of a yard wide?

66. If 3 feet long, and 3 feet wide, make a square yard, how many square yards would 6 feet long, and 12 feet wide make? 9 feet long and 27 feet wide?

67. According to the above principle, how many square yards of carpet would be required to cover a floor which is 30 feet long by 20 feet wide?

68. If 20 rods long, and 8 rods wide, will make an acre, how many acres would there be in a piece of land 360 rods long 240 rods wide? 820 rods long, and 320 rods wide? 100 rods long, and 72 rods wide?

69. According to the above principle, if an acre of land cost 120 dollars, what would be the cost of a lot 960 rods long, and 720 rods wide?

70. If 1 foot long, 4 feet high, and 4 feet wide, will make a foot of wood, how many feet of wood will there be in a pile which is 350 feet long, 6 feet high, and 20 feet wide? 100 feet long, 9 feet high, and 8 feet thick?

71. A pile of wood 8 feet long, 4 feet wide, and 4 feet high, will make a cord, how many cords in a pile which is 640 feet long, 24 feet wide, and 8 feet high?

72. According to the above principle, if a cord of wood cost 5 dollars, what would be the worth of a pile which is 56 feet long, 32 feet wide, and 6 feet high? 128 feet long, 24 feet wide, and 8 feet high? 96 feet long, 12 feet wide, and 9 feet high?

73. If 3 feet in length, breadth, and thickness, will make 1 cubic yard, how many cubic yards would there be in a solid mass of earth which is 15 feet long, 6 feet broad, and 12 feet thick? 27 feet long, 9 feet broad, and 18 feet thick?

74. What would be the cost of removing the above em. bankments, at the rate of 10 cents per cubic yard? How many dollars would their removal cost, at the rate of of a dollar per cubic yard?

75. A wall 16 feet long, 1 foot wide, and 1 of a foot thick, is called a perch, how many perches were there in the walls of ancient Babylon, which were (taking the four walls which surrounded the city, together,) 316800 feet long, and 350 feet high, and 87 feet thick?

76. Suppose 1 man can build 3 perches of wall in 1 day, how many days would it have taken 5000 men to build the walls of Babylon? How many years, allowing 312 work. ing days to a year? If every perch cost 5 dollars, what must have been the expense of erecting these walls?

77. If a stone of undressed marble which is 5 feet long, 11⁄2 of a foot wide, and of a foot thick, weighs of a ton, what would be the weight of another stone which measures 34 feet long, 114 feet wide, and 22 feet thick?

78. If 8 compositors can set 48 pages of type in 3 days, by working 10 hours per day, how many compositors will be required to set 240 pages, in 5 days, by working 12 hours a day? How many compositors will it take to set 192 pages in 27 days, if they work 8 hours per day?

79. If 8 men can mow 8 acres of grass working 124 hours per day, how many men mow 2 acres in 23 days, if they work 11

3

80. If 100 dollars, in 360 days, will draw 6 what will 25000 dollars draw in 180 days? dollars draw in 60 days?

in 84 days, by would it take to hours per day?

dollars interest, What will 500

81. If 1 foot long, 1 foot wide, and 1 foot high, will make a cubic foot, how many cubic feet are there in a room 63 feet long, 36 feet wide, and 15 feet high? How many cubic feet in a room that is 84 feet long, 54 feet wide, and 18 feet high?

ARTICLE XV.

DENOMINATE NUMBERS.

For the sake of convenience in trade, the different nations engaged in commerce have adopted a standard of COINS, WEIGHTS, and MEASURES. The coins of the UNITED STATES

and ENGLAND, and the weights and measures acknowledged by THESE, in common with most of the other COMMERCIAL NATIONS, are as follow:

TABLES OF MONEY, WEIGHTS, MEASURES, &c.

(1.) Federal Money, or Money of the United States. The denominations are, Eagle, Dollar, Dime, Cent, and Mill.

10 mills (marked m.) make 1 cent, marked

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ct.

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(2.) English Money is the National Currency of England. The denominations are, Pound, Shilling, Penny, and Farthing.

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By this weight, Jewels, Gold, Silver, and Liquors, are weighed. The denominations are, Pound, Ounce, Pennyweight, and Grain.

24 grains (marked gr.) make 1 pennyweight, marked dut. 20 pennyweights 1 ounce, 1 pound,

12 ounces

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(4.) Avoirdupois Weight.

02.

lb.

Is the common weight used in weighing Groceries, and all coarse commodities. The denominations are, Ton, Hundred Weight, Quarter, Pound, Ounce, and Dram.

16 drams (marked dr.) make 1 ounce, marked

16 ounces

28 pounds

4 quarters, or 112 pounds, 20 hundred weight

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1 pound,

lb.

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