14. What cost 20 yards of cambric, if 6 yards cost 60 cents? 15. What cost 17 weeks' board, if 9 weeks' cost 27 dollars? 16. How many oranges can be bought for 63 cents, at the rate of 4 for 9 cents? 17. What cost 4 tons of coal, at the rate of 10 tons for 70 dollars? 18. If you should buy 60 pears, at the rate of 4 for 3 cents, and sell them at the rate of 5 for 4 cents, how much would you make by the operation? 19. When 56 cents are paid for 4 dozen of eggs, how much must be paid for 10 dozen? 20. How many pounds of veal can be bought for 96 cents, when 9 pounds cost 72 cents? 21. When 4 quarts of vinegar can be bought for 36 cents, how many quarts can be bought for 108 cents? 22. When 7 yards of cotton cloth can be bought for 84 cents, how many yards can be bought for 120 cents? 23. What will 19 pounds of chalk cost, if 13 pounds cost 65 cents? 24. When wheat is sold at the rate of 6 bushels for 12 dollars, how many bushels must be given for 4 cords of wood, at 5 dollars a cord? 25. If 8 dozen of eggs are sold for 96 cents, how many dozen will it take to buy 6 yards of gingham, at 18 cents a yard? 26. If it take 4 men 8 days to do a piece of work, how long will it take 16 men to do it? 27. How many men in 8 days can do a piece of work, which will require 16 men 2 days to do? 10 28. If 12 barrels of flour cost 84 dollars, what will 7 barrels cost? 11 barrels? 6 barrels? barrels? 9 barrels ? 29. If 9 men can dig a ditch in 8 days, how long will it take 12 men to dig it? 30. How many books, at 6 dimes each, will 9 books, at 4 dimes each, pay for? 31. A can travel at the rate of 5 miles an hour, and B7 miles; they set out from the same point, and in the same direction, but B starts after A has travelled 30 miles; how long will it take B to overtake A? 32. William can run 40 rods in 5 minutes, and Jason the same distance in 4 minutes; how long will it take William to gain 30 rods on Jason? 33. Three men buy a horse, A paying 12 dollars, B twice as many lacking 4 dollars, and C twice as many as both of the others; what would have been the cost to each if the expense had been shared equally? 34. If 3 cords of wood are worth 18 dollars, and 10 cords are given for 12 thousand of shingles, how much are the shingles a thousand? 35. How much rye, at 9 dimes a bushel, must be given for 27 bushels of buckwheat, at 3 dimes a bushel? 36. If 2 bushels of oats are worth 1 bushel of corn, and 2 bushels of corn are worth 1 bushel of wheat, how many bushels of wheat are worth 20 bushels of oats? 37. If 6 men can reap a field in 4 days, in how many days can 8 men reap it? 38. When 3 pounds of cheese cost as much as 1 pound of butter, and 3 pounds of butter as much as 1 pound of tea, how many pounds of tea cost as much as 81 pounds of cheese? 39. If a cistern, capable of holding 60 gallons, has a pipe by which 10 gallons can run into it in one hour, and another pipe by which 5 gallons can run out of it in the same time, when both pipes are running in what time will the cistern be filled? NOTE. -Dollars and cents written together are separated by a point (.); thus, $4.50 is read 4 dollars 50 cents. 1. How many mills in 1 cent? In 2 cents? In 9 cents? In 12 cents? 2. How many cents in 10 mills? In 20 mills? In 47 mills? In 80 mills? 3. How many cents in 1 dime? In 3 dimes? In 7 dimes? In 11 dimes? In 14 dimes? 4. How many dimes in 10 cents? In 20 cents? In 43 cents? In 90 cents? In 100 cents? In 110 cents? In 150 cents? 5. How many dimes in $1? In $3? In $7? 6. How many dollars in 1 eagle? In 2 eagles? In 7 eagles? In 11 eagles? 7. How many eagles in 10 dollars? In 20 dollars? In 70 dollars? In 120 dollars? 8. How many cents in $1? In $2? In $5? In $9? 9. How many dollars in 100 cents? In 200 cents? In 700 cents? In 900 cents? 10. At 5 mills a yard, how many cents will 20 yards of tape cost? 11. At 2 dimes a pound, how many dollars will 30 pounds of spice cost? 12. When butter is 2 dimes a pound, how many pounds will $5 buy? 13. If 7 pounds of beef cost 70 cents, how many pounds can be bought for 1 eagle? In 2 1. How many farthings in 1 penny? pence? In 6 pence? In 11 pence? In 20 pence? 2. How many pence in 4 farthings? In 12 farthings? In 36 farthings? In 48 farthings? 3. How many pence in 1 shilling? In 4 shillings? In 7 shillings? In 11 shillings? 4. How many shillings in 12 pence? In 48 pence? In 36 pence? In 108 pence? 5. How many shillings in 1£? In 4£? In 7£? In 9£? In 10£ ? 6. How many pounds in 20 shillings? In 40 shillings? In 80 shillings? In 120 shillings? 7. How many pence in 5s. 6d.? In 8s. 9d.? In 10s. 3d.? 8. How many shillings in 2£. 6s.? In 3£. 9s.? In 6£. 10s.? 9. At 3d. a pound, how many shillings will 24 pounds of rice cost? 10. At 5s. a yard, how many pounds will 32 yards of carpeting cost? LESSON XX. TABLE OF TROY, OR MINT WEIGHT. 24 Grains (gr.) make 1 Pennyweight, pwt. 20 Pennyweights 66 1 Ounce, Oz. lb. NOTE.—This weight is used in weighing gold, silver, and jewels. 1. How many grains in 1 pennyweight? In 2 pennyweights? In 4 pennyweights? 2. How many pennyweights in 24 grains? In 48 grains? In 96 grains? 3. How many pennyweights in 1 ounce? In 2 ounces? In 5 ounces? 4. How many ounces in 20 pennyweights? In 40 pennyweights? In 100 pennyweights? 5. How many ounces in 1 pound? In 2 pounds? In 5 pounds? In 9 pounds? In 10 pounds? In 12 pounds? 6. How many pounds in 12 ounces? In 36 ounces? In 60 ounces? In 144 ounces? 7. In 3oz. 10pwt., how many pennyweights? 8. In 6lb. 7oz., how many ounces? 9. At 6 cents a pennyweight, what will cost 4oz. 10pwt. of silver? 10. At 9 dimes a pennyweight, what must be paid for 2oz. 5pwt. of gold? NOTE. 20 Hundred-weight This weight is used in weighing almost every kind of goods, and all metals except gold and silver. 1. How many ounces in 1 pound? In 2 pounds? In 5 pounds? In 10 pounds? 2. How many pounds in 16 ounces? In 32 ounces? In 80 ounces? In 96 ounces? 3. How many pounds in 1 quarter? In 3 quarters? In 5 quarters? In 8 quarters ? 4. How many quarters in 50 pounds? In 75 pounds? In 100 pounds? 5. How many hundred-weight in 4 quarters? In 8 quarters? In 16 quarters? In 20 quarters? |