X. A commission dealer sells 360 barrels of apples at $1 a barrel, receiving a commission of 3%. Find the commission; the net proceeds.

6. Mr. Hanley sent to a commission firm 450 bushels of corn and 620 bushels of potatoes. The corn was sold at 45 cents a bushel and the potatoes at 70 cents a bushel. The firm charged a commission of 3 %, and $8.72 for cart. age. How much money was sent to Mr. Hanley?

7. What is the per cent commission when an agent receives $150 for selling 240 cases of goods at $12.50 a case?

8. Mr. Carter paid $20 to Mr. Driver for selling 2 cows at $75 each, and a horse for $100. Find the per cent of the gross proceeds paid to Mr. Driver.

9. After selling a lot of land for $3600, the agent kept $288 for his services. This was what per cent of the sum received for the land?

10. An architect receives a commission of 3% for preparing the plans, and a commission of 21% for superintending the construction, of a building. What is his com

mission if the building costs $87,500 ?

11. The net proceeds of a sale of farm products was $672.32; the commission $91.68. Find the rate of the commission.

A GROUP OF SCHOOL PROBLEMS

1. In the Washington school there are 358 boys and 89 more girls than boys. How many pupils in the school?

2. The attendance was 784 on Monday, 776 on Tuesday, 769 on Wednesday, 775 on Thursday, and 766 on Friday. What was the average daily attendance ?

3. There are 18 rooms in the building. Four have

54 seats each, six 48 seats each, and the rest 45 seats each. How many seats in all ?

4. One hundred eighty-four tons of coal were required to heat the building. How much did it cost at $5.68 a ton?

5. One of the janitors received $2.25 a day and the other $1.95 a day. Each worked 308 days in the year. How much was paid them?

6. In the Lincoln school there were 648 pupils in September. During the year 38 new pupils entered from out of town, 16 from other schools in town, 25 were transferred to other schools, 9 left on account of illness, and 36 to go to work. How many pupils at the close of the year?

7. John's marks for the year were 84 in arithmetic, 76 in grammar, 92 in spelling, 87 in geography, and 8% in history. What was his average?

8. Henry was absent 6 sessions in the fall, 5 in the winter, and 4 days in the spring. What part of the year of 36 weeks was he present? (Two sessions each day.)

9. There were 132 pupils in the fifth grade, and 119 in the sixth. How many in each grade after 17 were promoted from the fifth grade to the sixth, and 7 new pupils had entered the fifth grade and 4 had left the sixth grade?

10. Eight of the pupils lived outside the city, and each paid a tuition fee of $12 for each of the three terms. How much did they all pay in the year?

T

11. Maud's mark for attendance was 95%. How many of the 360 sessions was she present?

12. Esther was present 360 sessions out of the whole number of 360 sessions. What was her per cent of attendance?

13. Ellen was absent 27 sessions. cent of attendance?

What was her per

14. Each of the 98 pupils in the seventh grade purchased a geography for $0.95, an arithmetic for $0.65, and a grammar for $0.56.

(a) How much did each pupil pay for his books? (b) How much did all the geographies cost?

How much did all the arithmetics cost?

(d) How much did all the grammars cost?

(e) What was the total amount paid by all the pupils? Find this in two ways.

15. The average expense per pupil for books and supplies was $1.87. What amount was expended for the pupils in the Washington school?

16. The pupils in a school are divided among the grades as follows: 180 in the fourth grade, 150 in the fifth, 120 in the sixth, 100 in the seventh, and 50 in the eighth. What part of the pupils in the school in each grade? 17. In another school there are 720 pupils. Ten per cent are in the eighth grade, 15% in the seventh grade, 20% in the sixth grade, 25% in the fifth grade, and the rest in the fourth grade. How many in each grade?

18. In the Lee school there are 90 pupils in the eighth grade, 30 more in the seventh grade, 20 more in the sixth grade than in the seventh, 40 more in the fifth grade than in the sixth, and 40 more in the fourth grade than in the

fifth. How many in each grade? In the school? What per cent of the pupils in the school in each grade?

19. Of the 64 pupils in the highest grade of a grammar school, 871 % received certificates of admission to the high school, and 75 % of those receiving certificates entered the high school. How many entered the high school?

X 20. The length of the high school session is 5 hours. Thirty minutes are given to recesses, and the rest of the time is divided into 6 equal periods. How many minutes to a period? What per cent of an hour?

DIFFERENCE IN TIME BETWEEN DATES

Find the difference in time between March 22, 1910, and Nov. 12, 1911.

This method gives the exact number of days less than one month. Both the above methods are in common use.

used by business men in your locality.

Use the one generally

Find the time in months and days:

1. From New Year's Day to Christmas Day.

2. From Washington's Birthday to Peace Day.

3. From Washington's Birthday to Independence Day. 4. From Independence Day to the following Flag Day. 5. From Peace Day to Christmas Day.

6. From Christmas Day to the following Peace Day. 7. From to-day to next New Year's Day.

8. From to-day to each of the other days in the above list.

Find the difference in time between the following dates: 1. April 6, 1904, and Nov. 1, 1909. 2. Sept. 27, 1906, and March 3, 1909. 3. Nov. 28, 1905, and Aug. 15, 1909. 4. Jan. 13, 1906, and Aug. 7, 1911. 5. May 12, 1902, and Jan. 3, 1909. 6. Oct. 17, 1911, and Nov. 7, 1912. 7. Feb. 5, 1905, and March 3, 1908. 8. Dec. 29, 1910, and May 16, 1913. 9. March 21, 1906, and Aug. 17, 1911. 10. July 20, 1904, and Jan. 26, 1907. 11. Aug. 24, 1900, and March 12, 1912. 12. June 27, 1910, and April 5, 1913.

SIMPLE INTEREST

Mr. Campton owns a store worth $4000. He lets Mr. Barker have the use of it for one year for 6% of its value. How much does Mr. Barker pay?