17. 1. What will be the cost of 6 tons of coal, at 5 dollars a ton, and of 4 cords of wood at 3 dollars a cord?

ANALYSIS. They will cost the sum of the products of 65 dollars, and of 4 × 3 dollars; 6 times 5 dollars are 30 dollars, and 4 times 3 dollars are 12 dollars; 30 dollars and 12 dollars are 42 dollars. Therefore, &c.

2. A farmer sold 12 sheep at 4 dollars a head, and 9 lambs at 2 dollars each; how many dollars did he receive for all?

3. What will be the cost of 5 pounds of coffee at 15 cents a pound, and 14 pounds of rice at 6 cents a pound?

4. If two persons start from the same point, and travel in opposite directions, one at the rate of 6 miles an hour, and the other 4 miles an hour, how far apart will they be in 7 hours? in 9 hours? in 12 hours?

5. If they travel in the same direction, how far apart will they be in 5 hours? in 7 hours? in 24 hours?

6. If I hire a man and his son to labor, the father at 14 shillings a day, and the son at 8 shillings, how much will be due them both in 6 days? in 9 days?

7. Asa has 16 marbles, and Omar 3 times as many; how many have both ?

8. A drover bought 28 sheep at 3 dollars a head, and 5 cows at 26 dollars apiece; what was the cost of the whole ?

9. Justin bought 9 oranges at 4 cents apiece, 7 lemons at 3 cents apiece, and 10 lead pencils at 2 cents apiece; how much was the cost of the whole ?

10. Charles is twice as old as Byron, and Byron is 14 years old; what is the sum of their ages?

11. In a school-room 16 pupils can sit on each

of 5 seats, 8 on each of 3 seats, and 20 on the remainder of the seats; how many pupils can be seated in the room?

12. A farmer has 30 sheep in each of 3 pastures, 35 in each of 2 pastures, and 40 in another pasture; how many sheep has he in all?

13. If one boy earns 12 cents a day, another 15 cents a day, and another 20 cents a day, how much can the 3 boys earn in 5 days?

14. A man bought 9 yards of cloth for a suit of clothes, at 5 dollars a yard; he paid 7 dollars for making the coat, 2 dollars for making the pantaloons, and 1 dollar for making the vest; what did his suit cost him?

18. 1. A farmer bought a horse for 85 dollars, for which he gave 7 tons of hay at 9 dollars a ton, and the remainder in money; how much money did he pay?

ANALYSIS. He paid in money, the difference between 85 dollars and the product of 7 times 9 dollars; 7 times 9 dollars are 63 dollars, and 85 dollars less 63 dollars are 22 dollars. Therefore, &c.

2. John worked 5 days for 15 cents a day, and Norman worked 4 days for 20 cents a day; how much more did Norman earn than John?

3. A drover bought 35 sheep at 2 dollars a head, and sold them for 90 dollars; how much did he gain? 4. A mechanic earned 32 dollars a month for five months, and his apprentice 12 dollars a month for the same time; how much more did the one earn than the other?

5. If a man earn 90 cents a day, and pay 40 cents a day for his board, how much will he save in 6 days?

6. A farmer sold a grocer 7 pounds of butter at 20 cents a pound, and received in payment 12 pounds of fish at 6 cents a pound; how much was still due the farmer?

7. How much difference does Mr. Jones receive, by exchanging 5 cows at 18 dollars a head, for 7 head of young cattle, at 9 dollars each?

8. A merchant poured into a cask 14 quarts of camphene 3 different times, and from the same cask filled 2 cans, holding 8 quarts each, and 3 jugs, holding 6 quarts each; how many quarts remained in the cask?

9. Nellie picked 6 quarts of blackberries, and Laura picked 4 times as many, wanting 5 quarts; how many quarts did Laura pick?

10. What is the difference in the cost of 30 yards of cloth at 4 dimes a yard, and 25 yards at 3 dimes a yard?

11. A lady bought 6 yards of satin, at 2 dollars a yard, 2 shawls at 9 dollars each, and some lace for 3 dollars; she paid 4 ten dollar bills; how much ought she to receive back?

12. A drover bought 50 sheep for 125 dollars; he sold 30 at 4 dollars a head, and the remainder at 3 dollars a head; how many dollars did he gain by the bargain?

13. Three boys talking of their money, one said he had 35 cents, another said he had twice as many, and the third said he had as many as both the others, wanting 10 cents; how many cents had the last?

14. Two men bought a horse for 75 dollars; they paid 2 dollars a week for keeping him, and at the end of 12 weeks sold him for 90 dollars; how much did they lose by their bargain?

15. A man, owing 100 dollars, gave a sleigh worth 40 dollars, 12 cords of wood, at 3 dollars a cord,

and the remainder in money; how much money did he pay?

16. I bought a book-case for 28 dollars, a table for 14 dollars, and 6 chairs at 2 dollars each; I paid for the table; how much did I still owe?

17. If a blacksmith earn 14 shillings a day, and a jiner 11 shillings a day, what will the difference in their earnings amount to in 12 days?

18. Perry paid 3 cents for a lemon, Elisha twice as much for a pineapple, and for a melon Albert paid 5 times as much, lacking 15 cents, as was paid for both the lemon and the pineapple; what would be the cost of 3 melons at the same rate?

19. At a public meeting are 35 gentlemen, and 3 times as many ladies lacking 30; how many ladies are there, and how many ladies and gentlemen ?

20. Peter has 4 times 5 peaches, and Marcus has 3 times 6; how many will they both have left after Peter gives away 7, and Marcus 5?

21. How many are 4 times 20, plus 3 times 10? 22. How many are 7 times 15, plus 9 times 12? 23. How many are 12 times 11, minus 10 times 7? 24. How many are 10 times 11, less 15, plus 6 times 5?

25. How much less is 7 times 14, than 3 times 40? 26. How much less is 10 times 10, than 6 times 20 plus 25?

27. How much more is 8 times 16, than 7 times 13 minus 11?

28. How many are 9 times 12, plus 22 + 10-30? 29. How many are 15 × 12, + 20 × 5? 30. How many are 40 x 4, + 27 × 3? 31. How many are 16 × 9, 13 × 6? 32. How many are 10+ 12, x 6, 40? 33. How many are 14 x 8, + 18, + 12, — 7 ?

CHAPTER IV.

DIVISION.

19. 1. WHEN wheat is 2 dollars a bushel, how many bushels can be bought for 12 dollars?

ANALYSIS. Since 2 dollars will buy 1 bushel, 12 dollars will buy as many bushels as 2 dollars, the price of 1 bushel, is contained times in 12 dollars; 2 dollars is contained in 12 dollars 6 times. Therefore, at 2 dollars a bushel, 6 bushels of wheat can be bought for 12 dollars.

2. How many peaches at 2 cents apiece, can be bought for 18 cents?

3. If you can buy one lead pencil for 3 cents, how many can you buy for 24 cents?

4. For 16 dollars, how many cords of wood can be bought at 4 dollars a cord?

5. At 3 cents apiece, how many oranges can be bought for 21 cents?

6. In how many days can a man earn 20 dollars, if he earn 2 dollars a day?

7. Edward has 15 peaches, which he wishes to divide equally among his 3 brothers; how many must he give to each?

8. How many times 2 in 8? in 6? in 10? in 14? in 16? in 20? in 24 ?

9. How many times 3 in 6? in 12? in 18? in 21? in 9? in 27? in 33? in 24? in 36 ?

10. How many times 4 in 12? in 8? in 16? in 20? in 36? in 24? in 40? in 32? in 48 ?

11. How many tons of coal, at 4 dollars a ton, can be bought for 48 dollars?

12. If one penholder can be bought for 4 cents, how many can be bought for 20 cents? for 32 cents? for 40 cents?