APPLICATIONS OF FEDERAL MONEY.

BILLS, ACCOUNTS, &C.

220. A Bill, in mercantile operations, is a written paper, containing a statement of particulars, or amount of goods sold.

Ex. 1. What is the cost of the several articles, and what the amount, of the following bill?

What was the cost of the several articles, and what the

amount of his bill?

What was the cost of the several articles, and what the amount of his bill?

What was the cost of the several articles, and how much is due on his account?

What was the cost of the several articles, and how much

is due on his account?

What was the amount of charges, and what the amount of the note?

SECTION IX.

PERCENTAGE.

ART. 222. The terms Percentage and Per Cent. signify a certain allowance on a hundred; that is, a certain part of a hundred, or simply hundredths. Thus the expressions 2 per cent., 4 per cent., 6 per cent., &c., of any number or sum of money, signify 2 hundredths (180) 4 hundredths (16) 6 hundredths (100) &c. of that number or sum. For example,

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6 per cent. of $100, is Too of that sum, which is 6 dollars, &c. Hence, universally,

QUEST.-200. What do the terms percentage and per cent. signify? What is meant by 2 per cent., 4 per cent., &c. of any sum? What then does any given percentage of any number or sum of money imply? Obs. From what are the terms percentage and per cent. derived?

Any given percentage of any number, or sum of money, implies so many units for every 100 units; so many dollars for every 100 dollars; so many cents for every 100 cents; so many pounds for every 100 pounds, &c.

OBS. The terms Percentage and Per Cent. are derived from the Latin per and centum, signifying by the hundred.

MENTAL EXERCISES.

Ex. 1. A boy finding a purse containing 8 dollars, the owner gave him 6 per cent. of the money: how much did the boy receive?

Suggestion. 6 per cent. is 6 cents for every 100 cents. (Art. 222.) If then he received 6 cents for 1 dollar, (100 cents,) for 8 dollars he must have received 8 times 6 cents, or 48 cents. Ans. 48 cents.

2. What is 6 per cent. of 10 dollars? Ans. 60 cents. 3. The printer's boy collected 12 dollars on some bills, for which his employer gave him 4 per cent. for his services how much did he receive?

4. What is 4 per cent. of 8 dollars? 6 dollars? 10 dollars? 7 dollars? 12 dollars? 15 dollars?

5. A man borrowed 12 dollars for a year, and agreed to give 6 per cent. for the use of it: how much did he pay ?

6. What is 6 per cent. of 10 dollars? 4 dollars? 6 dollars? 8 dollars? 11 dollars? 15 dollars?

7. A market-man sold 20 dollars worth of butter for one of his neighbors, who paid him 5 per cent. for his trouble how much did he receive?

8. What is 5 per cent. of 12 dollars? 10 dollars? 7 dollars 15 dollars? 20 dollars?

9. A farmer bought a cow for 12 dollars, and sold it again so that he gained 10 per cent. by his bargain: how much did he gain?

10. What is 10 per cent. of 12 dollars? 20 dollars? 14 dollars? 18 dollars? 13 dollars? 15 dollars?

11. What is 11 per cent. of 1 dollar? 4 dollars? 10 dollars? 7 dollars ? 6 dollars? 9 dollars? 12 dollars?

12. A boy having 100 canary birds, lost 7 per cent. of them by disease: how many did he lose?

13. What is 7 per cent. of 200 dollars? 300 dollars? 500? 900? 700?

Suggestion. Since 7 per cent. is 7 dollars on 100 dollars, for 200 dollars it is twice as much, or 14 dollars, &c.

14. A merchant invested 500 dollars in a certain adventure, and gained 6 per cent. on the sum invested: how much did he gain?

15. What is 3 per cent. of 100 dollars? 300? 500? 600? 900?

16. What is 5 per cent. of 200 dollars? 400? 300? 700? 1000? 800? 1100 ?

17. What is 8 per cent. of 200 dollars? 500? 600 ? 300? 700? 400? 1200?

18. What is 6 per cent. of 300 dollars? 500? 400? 700? 1100? 900? 1200?

19. What is 7 per cent. of 400 dollars? 300? 500? 900? 600? 1000?

20. What is 10 per cent. of 500 dollars? 300? 700? 1200? 1500? 2000?

21. What is 8 per cent. of 200 dollars? 400? 800? 900? 1000?

22. What is 9 per cent. of 300 dollars? 600? 500? 800? 700?

23. What is 12 per cent. of 8 dollars? 7 dollars? 6 dollars ?

24. What is 20 per cent. of 4 dollars? 5 dollars? 6 dollars ?

25. What is 15 per cent. of 3 dollars? 4 dollars? 6 dollars?

26. What is 18 per cent. of 3 dollars? 5 dollars? 4 dollars ?

27. What is 25 per cent. of 4 dollars? 5 dollars? 8 dollars?

28. What is 30 per cent. of 3 dollars? 5 dollars? 9 dollars?