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21. If 3 men can do a piece of work in twelve days, in how many days will 4 nren do the same work 1

22. If 2 cocks of a certain sfte will empty a cistern in 6 hours, in how long a time will 3 cocks of the same size empty it?

23. Three men, setting out on a journey, purchased 5 loaves of bread apiece, but before they had eaten any of it, two other men joined them, and they agreed to share the bread equally among the whole; how many loaves did they have apiece?

24. If 4 barrels of flour cost twenty-four dollars, what would 7 barrels cost? How much* cideg^QtjM dollars a barrel would 7 barrels of flour buy j?

25. A man bought a quantity of flour for fiftj£*, four dollars; and another man gave him 9 yardfrJ

* -i <v r c ;+ . mU*t WoC flip /»Wh wni&P^ j

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Eighteen - ~J ~ * - 18
Nineteen - - - - - 19

Twenty - - - - 20

Twenty-one 21

Twenty-two - - - - 22

Twenty-three - - - - 23

Twenty-four - - - - - 24

Twenty-five - - - - - 25

Twenty-six - - - - 26

Twenty-seven , - 27

Twenty-eight 28

fffwenty-irine - - - 29

liirty - - 30

Thirty-one, &c. - - - - 31

Forty - - - - - 40

Fifty - 50

Sixty 60

Seventy 70

Eighty - - - - - 60

Njtfety 90

One hundred - * - - - 100

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5. If 1 third of a yard of cloth cost 2 dollars, what is that a yard 1

6. 2 is 1 third of what number 1

7. If 1 third of a yard of cloth cost 3 dollars, what is that a yard?

8. 3 is 1 third of what number?

9. If 1 fourth of a firkin of butter cost 3 dollars, what is that a firkin 1

10. 3 is 1 fourth of what number 1

11. A man bought 1 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 1

13. If a man can ride 2 miles in 1 fifth of an hour* how far can he 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 1

16. 3 is 1 fifth of what number 1

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 1

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 1

22. 6 is 1 fourth of what number 1

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

24. 4 is 1 seventh of what number?
I 7 is 1 fifth of what number?

5 is 1 third of what number 1

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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 1

33. 9 is 1 eighth of what number V 3*4. 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 I

B. I* A man bought some linen and some cotton % for the linen he gave 4 shillings a yard, which Mas twice as much as he gave for the cotton; what pid 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 1 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 1 m

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

10 is 5 times what number? 15. If 2 thirds of a yard of cloth cost 4 dol what will 1 third cost? If 1 third of a yard cost 2 dollars, what will a yard cost ?*

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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 2 thirds of what?

17. If 2 thirds of a barrel of flour cost 6 dollars, what will 1 third of a barrel cost? If 1 third of a barrel cost 3 dollars, what wiJl a barrel cost ?*

18. If 6 is 2 thirds of some number, what is 1 third of the same number ?—3 is 1 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 1 fourth of a bushel cost ? If 1 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 1—2 is 1 fourth of what number 1—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 1 fifth of a gallon cost 2 shillings, what will a gallon cost 1

22. If 4 is 2 fifths of some number, what is 1 fifth . of the same number t 2 is 1 fifth of what number If —Then 4 is 2 fifths of what f-J

23. If 3 sevenths of a pound of tobacco cost 6 cents, what wiU 1 seventh of a pound cost? If 1 seventh of a pound cost 2 cents, what will a fTound cost? r /

24. if "6 is 3 sevenths of some number, what is 1 seventh of the same number ?—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 1 seventh of a barrel cost ? jJThat will a barrel cost?! *r F **

26. 4 is 2 sevenths of what number %' /

27. If 3 eighths of a pound of chocolate cost G

# See this section, article A.

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