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5. If i third of a yard of cloth cost 2 dollars, what is that a yard?

6. 2 is 1 third of what number?

7. If i third of a yard of cloth cost 3 dollars, what is that a yard?

8. 3 is 1 third of what number?

9. If i fourth of a firkin of butter cost 3 dollars, what is that a firkin?

10. 3 is 1 fourth of what number?

11. A man bought i third of a bushel of wheat for 4 shillings, what would a bushel cost at that rate ?

12. 4 is 1 third of what number?

13. If a man can ride 2 miles in 1 fifth of an hour, how far can be ride in an hour ?

14. 2 is 1 fifth of what number?

15. A man, being asked the age of his eldest son, answered that his youngest son, who was 3 years old, was just 1 fifth of the age of his eldest son; how old was the eldest son ?

16. 3 is 1 fifth of what number?

17. A man bought 1 sixth part of a hundred weight of sugar for 2 dollars, what would a hundred weight cost at the same rate ?

18. 2 is 1 sixth of what number?

19. Bought 1 fifth of a pound of starch for 5 cents, what was that a pound?

20. 5 is 1 fifth of what number?

21. Bought 1 fourth of a pound of aquafortis for 6 cents, what was that a pound?

22. 6 is 1 fourth of what number?

23. Bought 1 seventh of a hundred weight of cocoa for 4 dollars, what would i hundred weight cost at the same rate ?

24. 4 is 1 seventh of what number?.
25. 7 is 1 fifth of what number?
26. 5 is 1 third of what number?

27. 4 is 1 eighth of what number?
28. 6 is 1 sixth of what number?
29. 8 is 1 third of what number?
30. 9 is 1 fourth of what number?
31. 7 is 1 sixth of what number?
32. 8 is 1 seventh of what number?
33. 9 is 1 eighth of what number?
34. 8 is 1 tenth of what number?
35. 7 is 1 ninth of what number?
36. 6 is 1 fifth of what number?
37. 10 is 1 seventh of what number?

B. 1. A man bought some linen and some cotton cloth; for the linen he gave 4 shillings a yard, which was twice as much as he gave for the cotton ; what did he give for a yard of the cotton ?

2. 4 is 2 times what number?

3. If 2 thirds of a yard of cloth cost 6 dollars, what would i third cost?

4. 6 is 2 times what number?

5. If 3 fourths of a barrel of flour cost 6 dollars, what will one fourth of a barrel cost?

6. 6 is three times what number?

7. If 2 fifths of a pound of chocolate cost 8 cents, what would 1 fifth of a pound cost ?

8. 8 is 2 times what number?

9. If 3 fifths of a pound of candles cost 9 cents, what will 1 fifth of a pound cost ?

10. 9 is 3 times what number?

11. If 2 sevenths of a pound of spermaceti candles cost 10 cents, what will 1 seventh of a pound cost ?

12. 10 is 2 times what number?

13. If 5 eighths of a pound of cotton cost 10 ceuts, what will 1 eighth cost ?

14. 10 is five times what number? 15. If 2 thirds of a yard of cloth cost 4 dollars,

what will one third cost? If one third of a yard cost 2 dollars, what will a yard cost ?*

16. If 4 is 2 thirds of some number, what is 1 third of the same number? 2 is 1 third of what number?*Then 4 is two thirds of what?

17. If 2 thirds of a barrel of flour cost 6 dollars, what will i third of a barrel cost ? If i third of a barrel cost 3 dollars, what will a barrel cost?*

18. If 6 is 2 thirds of some number, what is 1 third of the same number?-3 is one third of what number? - Then 6 is 2 thirds of what?

19. If 3 fourths of a bushel of wheat cost 6 shillings, what will i fourth of a bushel cost ? If i fourth of a bushel cost 2 shillings, what will a bushel cost ?

20. If 6 is 3 fourths of some number, what is 1 fourth of the same number?-2 is 1 fourth of what number?_Then 6 is 3 fourths of what ?

21. If 2 fifths of a gallon of wine cost 4 shillings, what will 1 fifth of a gallon cost? If one fifth of a gallon cost 2 shillings, what will a gallon cost ?

22. If 4 is two fifths of some number, what is 1 fifth of the same number?-2 is 1 fifth of what number? -Then 4 is 2 fifths of what ?

23. If 3 sevenths of a pound of tobacco cost 6 cents, what will 1 seventh of a pound cost? If i seventh of a pound cost 2 cents, what will a pound cost?

24. If 6 is 3 sevenths of some number, what is 1 seventh of the same number 1-2 is 1 seventh of what number?_Then 6 is 3 sevenths of what ?

25 If 2 sevenths of a barrel of fish cost 4 dollars, what will i seventh of a barrel cost? What will a barrel cost?

26. 4 is 2 sevenths of what number? 27. If 3 eighths of a pound of chocolate cost 6

* See this Sect. Art. A.

cents, what will 1 eighth of a pound cost? What will a pound cost ?

28. 6 is 3 eighths of what number?

29. If eight cents will buy 2 fifths of a pound of aqua fortis, how many cents will buy a pound?

30. 8 is 2 fifths of what number?

31. A man bought 3 fourths of a hundred weight of yellow ochre for 9 dollars; what was that a hundred weight?

32. 9 is three fourths of what number?
33. 8 is 4 ninths of what number?
34. 9 is 3 tenths of what number?
35. 10 is 5 sevenths of what number?
36. 12 is 3 fifths of what number?
37. 12 is 4 ninths of what number?
38. 10 is 2 sevenths of what number?
39. 14 is 7 fifths of what number?
40. 15 is 3 elevenths of what number?
41. 16 is 2 fifths of what number?
42. 18 is 6 tenths of what number?
43. 20 is 5 ninths of what number?
44. 21 is 3 ninths of what number?
45. 24 is 8 ninths of what number?

C. 1. If 5 eighths of a cask of claret wine cost 15 dollars, what is that a cask ? How much cider, at 4 dollars i barrel, would it take to pay for a cask of the wine?

2. 15 is five eighths of how many times 4 ?

3. If 2 thirds of a pound of coffee cost 18 cents, how much would a pound cost? How many oranges, at 5 cents apiece, might be bought for a pound ?

4. 18 is 2 thirds of how many times 5 ?

5. A man bought 4 sevenths of a hundred weight of sugar for 20 shillings; how many dollars would a hundred weight come to at the same rate ?

6. 20 is 4 sevenths of how many times 6 ?

7. A man sold a cow for 21 dollars, which was only seven tenths of what she cost him; how much did she cost him? When he bought her, he paid for her with cloth at 8 dollars a yard; how many yards of cloth did he give?

8. 21 is a tenths of how many times 8?

9. A man, being asked the age of his youngest son, answered, that the age of his eldest son was 24 years, which was 3 fifths of his own age; and that his own age was 10 times as much as that of his youngest son ; what was his age ? and what was the age of his youngest son?

10. 24 is 3 fifths of how many times 10 ?
11. 27 is 3 fifths of how many times 7 ?
12. 28 is 7 tenths of how many times 9 ?
13. 30 is 5 eighths of how many times 7 ?
14. 32 is 4 sevenths of how many times 6 ?
15. 36 is 9 eighths of how many times 5 ?
16. 40 is 8 ninths of how many times 8 ?
17. 42 is 6 fifths of how many times 4 ?
18. 45 is 9 eighths of how many times 6 ?
19. 48 is 8 ninths of how many times 7?
20. 50 is 5 sevenths of how many times 8?
21. 54 is 9. sixths of how many times 7?
22. 56 is 7 ninths of how many times 10 ?
23. 60 is 10 serenths of how many times. 4 ?
24. 63 is 9 eighths of how many times 5 ?
25. 64 is 8 ninths of how many times 7 ?
26. 70 is 10 sevenths of how many times 8?
27. 72 is 9 fifths of how many times 6?
28. 80 is 10 thirds of how many times 4 ?
29. 80 is 8 fifths of how many times 6 ?

D. 1. A boy gave away 4 cents, which was ] third of all he had; how many had he at first ?

2. A boy gave 5 apples to one of his companions,

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