LESSON V.

PRACTICAL QUESTIONS COMBINING CHAPTERS THIRD AND FOURTH.

1. If 2 apples cost 4 cents, what will 3 apples cost?

SOLUTION-If 2 apples cost 4 cents, 1 apple will cost 1 half of 4 cents, which is 2 cents. If I apple cost 2 cents, 3 apples will cost 3 times 2 cents, which are 6 cents.

2. If 2 pears cost 16 cents, what will 5 pears cost? 3. If 4 quinces cost 12 cents, what will 3 quinces cost?

4. If 6 oranges cost 18 cents, what will 9 oranges cost?

5. If 7 peaches cost 21 cents, what will 9 peaches cost?

6. If 4 lemons cost 24 cents, what will 7 lemons cost?

7. If 3 yards of tape cost 18 cents, what will 6 yards cost?

8. If 7 hair-brushes cost 28 dimes, what will 6 hair-brushes cost?

9. If 9 yards of muslin cost 108 cents, what will 7 yards cost?

10. If 11 books cost 44 dimes, what will be the cost of 7 of the same books?

11. If 12 ink-stands cost 96 cents, what will 2 cost? 12. If 10 lead-pencils cost 30 cents, what will be the cost of 7? of 9? of 2?

13. What will 13 yards of silk cost, if 5 yards cost 45 dimes?

14. If a man travel 15 miles in 3 hours, how far at this rate, can he travel in 9 hours? 5 hours? 7 hours?

15. If the cartage of a load of plaster 20 miles cost 4 dollars, how far could it be carried for 12 dollars?

16. How many pair of pantaloons can be cut out of 21 yards of cloth, if 3 pair can be cut out of 9 yards of the same kind of cloth ?

17. What will 30 pounds of sugar cost, if pounds cost 42 cents?

18. What will 18 pounds of veal cost, if 6 pounds cost 42 cents?

19. What will 75 pounds of pork cost, if 9 pounds

cost 72 cents?

20. What will 20 weeks' board come to, if 7 weeks' board cost 14 dollars?

21. What will be the wages for 1 year, if 4 months' wages amount to 48 dollars?

22. What will be the cost of 25 bushels of apples, if 13 bushels cost 260 cents?

23. What will 14 pounds of cheese cost, if 6 pounds cost 54 cents?

24. If 7 quarts of milk cost 35 cents, what will 36 quarts cost?

25. If 4 men can do a certain piece of work in 12 days, in how many days will 3 men do the same work?

26. I gave for a quantity of cotton 72 dollars, and sold it for 12 yards of cloth; what did the cloth cost me a yard?

27. Gave 15 pounds of sugar for 5 pounds of butter; how much did the butter cost a pound, providing 8 pounds of sugar were worth 56 cents?

29. If 4 chestnuts are worth 8 walnuts, how many walnuts are 27 chestnuts worth?

29. If 7 yards of broadcloth are worth 35 dollars, how many boxes of butter, at 3 dollars a box, would 9 yards of this cloth buy?

30. A man bought 4 barrels of flour for 20 dollars, and gave 3 of them for cider, at 3 dollars a barrel; how many barrels of cider did he get?

31. A man bought 14 barrels of cider for 56 dollars, and gave 5 barrels of it for cloth, at 2 dollars a yard; how many yards did he receive?

32. A merchant, having 15 yards of cloth worth 75

dollars, gave 10 of them for pork, worth 10 dollars a barrel; how many barrels did he receive?

33. When 9 bushels of rye were worth 45 dimes, 12 bushels were given for 15 yards of cloth; what did the cloth cost a yard?

34. If 35 yards of cloth cost 140 dollars, what will 95 yards of the same cloth cost?

35. Two boys are 32 rods apart, and both running in the same direction, the hindermost boy gains on the other 4 rods each minute; in how many minutes will he overtake him?

36. How many boxes will be required to contain 56 bushels, providing each box contains 8 bushels ?

37. How many barrels of onions, at 3 dollars a barrel, must be given for 21 boxes of raisins, at 2 dollars a box?

38. A farmer bought 9 yards of cloth, at 4 dollars a yard, and paid for it with cider, at 3 dollars a barrel; how many barrels did it take?

39. How long would it take a man to lay up 24 dollars, if he save 2 dollars a week?

40. A farmer hired a laborer and agreed to give him 6 dollars for every 3 days' work; how much did he receive a week, allowing 6 working days in a week? how much a month, allowing 4 weeks to the month?

41. If 4 oranges are worth 12 cents, how many oranges must be given for 6 pine-apples, worth 12 cents each?

42. How many yards of cloth, at 2 dollars a yard, can be bought for 4 reams of paper, at 5 dollars a ream?

43. 6 men bought a horse for 80 dollars, and paid 2 dollars a week for keeping him;-at the end of 10 weeks they sold him for 82 dollars; what did each man lose ?

44. If 2 apples are worth 1 orange, and 2 oranges

are worth 1 lemon; how many lemons can be bought for 48 apples?

45. If 5 oranges are worth 1 pine-apple, and 2 pine-apples are worth 1 melon; how many oranges may be bought for 4 melons?

46. A fox is 80 rods before a hound, and the hound gains 5 rods on the fox every 10 minutes; in how many minutes will the fox be caught?

47. If 7 men can do a certain job of work in 12 days, in how many days could 21 men do the same work?

48. In how many days can 9 men do as much work as 7 men can in 18 days?

49. How many men can in 10 days perform the same amount of work, that 8 men can in 5 days?

50. Bought 5 firkins of butter for 35 dollars; how must it be sold to gain 10 dollars? what is the gain on each firkin?

1. How many mills in 1 cent? 3 cents? 4 cents?

8 cents ?

2. How many cents in 1 dime? 2 dimes? 4 dimes? 5 dimes? 6 dimes? 9 dimes? 10 dimes?

3. How many dimes in 1 dollar? 2 dollars? 4 dollars? 3 dollars? 5 dollars? 9 dollars? 10 dollars? 4. How many engles in 10 dimes?

5. How many dimes in 1 eagle and $4? 6. How many dollars in 40 dimes? 90 dimes? 80 dimes? 70 dimes? 68 dimes? 75 dimes?

7. How many cents in 40 mills? 60 mills? 50 mills? 80 mills? 48 mills? 55 mills? 47 mills?

8. If 3 yards of muslin cost 6 dimes, how many yards can be bought for 1 dollar?

9. How many pounds of pepper can you buy for 1 eagle, if 12 pounds cost 6 dimes?

10. How many pounds of candies can you buy for 14 eagles, if 10 pounds cost 140 cents?

1. How many pennyweights in 240 grains? 2. How many pennyweights in 4 ounces? 5 ounces? 6 ounces?

3. How many ounces in 1 pound? 3 pounds? 5 pounds? 8 pounds?

4. In 24 ounces how many pounds? in 48 ounces? in 36 ounces? in 60 ounces? in 84 ounces?

5. How many ounces in 20 pennyweights? in 40? in 60? in 70 ?

6. If 7 grains of gold cost 168 dimes, how much will 10 pennyweights cost?

7. What will 1 pennyweight of gold cost, if 2 grains cost 18 dimes?

8. How many pennyweights in 4 oz. and 6 pennyweights?

9. How many pounds in 48 pwt.?

10. How many grains in 2 oz., 2 pwt. and 2 gr. ?