Εικόνες σελίδας
PDF

echts, what will 1 eighth of a pound cost? What will á 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 numorr?
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 a 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, aow 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 ?

the 20 in 4 sovenths 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 vards of cloth did he give?

8. 21 is my 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 sevenths 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 87
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?

--**- - - men met D. 1. A boy gave away 4 cents, which was I third of all he had; how many had he at first?

2. A boy gave 6 apples to one of his cokopanjang

which was 1 fourth of what he had; how many had he?

3. A man paid away 4 dollars, which was 2 thirds of all the money he had ; how much had he?

4. A man sold a watch for 18 dollars, which was 3 fourths of what it cost him; how much did it cost?

5. A man sold a cow for 15 dollars, which was 3 fifths of what the cow cost; how much did he lose by his bargain ?

6. A man bought 12 yards of cloth, and sold it for 54 dollars, which was 9 eighths of what it cost him ; what did it cost him a yard? and how much did he gain by his bargain?

7. There is a pole standing in the water, so that 10 feet of it is above the water, which is 2 thirds of the whole length of the pole; how long is the pole.'

8. There is a pole two thirds under water, and 4 feet out; how long is the pole?

9. There is a pole two fifths under water, and 6 feet out of the water; how long is the pole ?

10. There is an orchard, in which 3 sevenths of the trees bear cherries, and 2 sevenths bear peaches, and 10 trees bear plums; how many trees are there in the orchard ? and how many of each sort?

11. There is a school, in which 2 ninths of the boys learn arithmetic, 3 ninths learn grammar, 1 ninth learn geography, 1 ninth learn geometry, and 12 learn to write ; how many are there in the school ? and how many attending to each study ?

12. A man sold a watch for 63 dollars, which was 7 fifths of what it cost him ; bow much did he gain by the bargain?

Miscellaneous Examples.

1. IF 1 yard of cloth cost 4 dollars, what will 6 yards apst?

2. A man bought 3 pounds of raisins, at y cents a pound, and 16 oranges, at 4 cents apiece, and 1 pound of candles for 16 cents; what did they all come to?

3. A boy had 37 apples; he kept five himself, and divided the rest equally among four companions; how many did he give them apiece ?

4. Two men are 40 miles apart, and both travelling the same way; the hindermost man gains upon the other 5 miles each day; in how many days will he overtake him ?

5. Two men are travelling the same way ; one travels at the rate of 38 miles a day; the other, who is behind the former, travels 44 miles; how much does he gain of the first each day? and in how many days would he gain 60 miles ?

6. A fox is 80 rods before a greyhound, and is running at the rate of 27 rods in a minute; the greyhound is following at the rate of 31 rods in a minute; in how many minutes will the greyhound overtake the fox ?

7. If 2 yards of cloth cost 6 dollars, what would 4 yards cost? what would 12 yards cost?

8. If 8 sheep cost 24 dollars, what would 3 cost?

9. If 4 tons of hay will keep 3 horses through the winter, how many tons will keep 30 horses the same time?

10. If a man spends 8 shillings a day, how many dollars will he spend in a week?

11. Bought 10 pieces of cloth; eaca containing 5 yards, for 100 dollars; what was it a piece and how much a yard ?

: 12. If the wages of 12 weeks come to 60 dollars, what is that a month? and how much for 5 weeks?

13. If 7 horses eat 14 bushels of oats in 1 week, how many bushels would 15 horses eat in the same time?

14. If 3 horses eat 8 bushels of oats in 2 weeks, how long would it take them to eat 40 bushels ?

15. If i horse eat 1 bushel of oats in 3 days, in how many days would 4 horses eat 36 bushels ? * 16. If 2 men spend 12 dollars in 1 week, how many dollars would 3 men, at the same rate, spend in 5 weeks

17. If a staff 3 feet long east a shadow of 2 feet at 12 o'clock, what is the length of a pole that casts a shadow 18 feet at the same time of day?

18. If 47 gallons of water, in l'hour, run into cistern containing 108 gallons, and by a pipe 38 gallons run out in an hour, how much remains in the cistern in an hour and in how many hours will the cistern be filled ?

19. If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days?

20. If 6 men can do a piece of work in 9 days, in how many days would 2 men do it? .

21. If 8 men can do a piece of work in 5 days, in how many days would they do a piece of work 4: times as large?

22. If 7 men can do a piece of work in 3 days, how many men would it take to do a piece of work 5 times as large in the same time?

23. If 8 men can do a piece of work in 4 days, in how many days would 2 men do a piece of work one half as large?

24. A man bought a cask of wine containing 63 gallons, 3 sevenths of which leaked out ; and he

« ΠροηγούμενηΣυνέχεια »