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21. What is the present worth of $1365, payable in 6 months, when money is worth 7 per cent. ?

22. At 6 per cent. discount, what is the present worth of $1623.28, due in 1 year ?

23. What is the bank discount on a note of $730, payable in 4 months, at 6) per cent. ?

24. What is the bank discount on a note of $1575, payable in 60 days, at 7 per cent. ?

25. What is the present worth of a draft for $840, payable in 30 days, discounted at a bank at 6 per cent. ?

26. What will 35 shares of Railroad stock cost, at 103 per cent. advance ?

27. What cost 63 shares of bank stock, at 3} per cent. discount?

28. What premium must a man pay annually for insuring $8500 on his store and goods, at 14 per cent. ?

29. A merchant effected insurance on a cargo of goods valued at $90000, from Liverpool to New York, at 11 per cent. : what premium did he pay?

30. A man bought a farm for $5640, and afterwards sold it for 15 per cent. more than it cost : how much did he make by his bargain ?

31. A merchant bought a stock of goods for $4390, and retailed them at a profit of 22 per cent.: how much did he make ?

32. What is the ad valorem duty, at 33} per cent., on a quantity of cloths which cost $10436 ?

33. What is the ad valorem duty, at 15).per cent., on a cargo of tea invoiced at $35856 ?

34. At 37 per cent., what is the duty on a quantity of silks which cost $23265 ?

35. The sum of two numbers is 856, and their difference is 75: what are the numbers ?

36. The sum of two numbers is -5643, and their difference is 125: what are the numbers ?

37. The difference of two numbers is 63, and the smaller number is 365 : what is the greater number?

38. The product of numbers is 3750, and one of the numbers is 75: what is the other ?

39. A farmer bought 50 lbs. of sugar, at 8 cents a lb.

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and 12 yards of calico at 10 cents a yard, and paid for
them in butter at 11 cents a lb.: how many pounds did it
take?

40. How many cubic feet are there in a stick of tim-
ber 60 st. long, 3} ft. wide, and 2 st. thick ?

41. How many solid feet in a wall 100 ft. long, 15.5
ft. high, and 35 st. thick ?

42. How many acres are there in a field 120 rods
long and 90 rods wide ?

43. How many acres in a square mile ?

44. If 48 yards of cloth cost $480, what will 125
yards cost?

45. If 96 horses eat 192 tons of hay in a winter, how
many tons will 150 horses eat ?

46. If 860'acres of land cost $10320, how much will
215 acres cost?

47. If 6 men spend $18 in 7 weeks, how much will
24 men spend in 35 weeks?

48. If 15 horses consume 70 bushels of oats in 27 days,
how many bushels will 45 horses consume in 54 days?

49. If 6 men can build a wall 30 st. long, 6 ft. high, and
3 st. thick, in 15 days, when the days are 12 hours long,
how many days will it take 30 men to build a wall 300 ft.
long, 8 ft. high, and 6 ft. thick, working 8 hours a day?

50. A farmer wishes to form a square field, which shall
contain 1296 square rods: what is the length of its side ?

51. A man owns a farm which contains 160 acres, and
is in the form of a square: what is the length of its side ?

52. A gentleman wishes to construct a cubical bin,
which shall contain: 19683 solid feet: what must be the
length of its side?

THE END.

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