7. John earned in one week: 35¢, 65¢, 39¢, 17¢, 45¢, and 50¢. Of this money he spent $1.50 for a present for his mother, and saved the rest. How much did he save?

8. Ruth paid 58¢ for butter and 50¢ for tea. She gave the clerk $1.25. How much change did she receive?

Two-Step Problems: Subtraction and Multiplication

If father buys 6 lb. of chicken at 34¢ a pound, how much change should he get from a five-dollar bill?

$ .34 6

$5.00

$2.04

2.04 $2.96

Multiply 34 by 6, and subtract the product from $5.

1. I bought 2 doz. oranges at 40¢ a dozen, and gave the grocer a one-dollar bill. How much change should I get?

2. Nora's mother bought 10 yd. of gingham. She made 2 dresses, using 4 yards for each dress. How many yards of gingham were left?

3. If father bought 5 gal. of gasoline at 28¢ a gallon, how much change should he get from a five-dollar bill?

4. Mr. Rice bought 4 railroad tickets at $1.79 each. How much change should he get from a twenty-dollar bill?

5. We bought 36¢ worth of milk every day in January. How much change should mother get from $15 when she pays her milk bill for January?

6. A dealer bought peaches for 50¢ a basket and sold them for 80¢ a basket. How much profit did he make on 8 baskets of peaches?

Two-Step Problems: Addition and Multiplication

(a) Edith bought 6 lb. of sugar at 7¢ a pound and a bottle of olives for 25¢. How much did she spend?

Multiply 7 by 6, and add 25 to the product.

(b) One week Henry sold from his garden a basket of string beans for $1 and 69 lb. of tomatoes at 6¢ a pound. How much did he make that week from his garden? Explain and work this problem.

WRITTEN WORK

1. Mary bought 5 yd. 8¢ for a spool of thread.

2. Caroline bought 18 card of buttons for 48¢.

of cloth at 13¢ a yard and spent How much did she spend in all? yd. of ribbon at 11¢ a yard and a How much did she spend?

3. Dick sold 5 doz. eggs at 42¢ a dozen and a chicken for $1.35.. How much did he receive in all?

4. From his garden in one day Henry sold 35¢ worth of peas and 17 bunches of radishes at 6¢ a bunch. How much did he make from his garden in all, that day?

5. Another day Henry sold 9 heads of lettuce at 4¢ a head and 80 cents' worth of cabbage. How much money did he make from his garden that day?

6. Find the total cost of 6 loaves of bread at 5¢ a loaf and a bag of flour costing 84¢.

7. If baseball suits cost $2.50 each and shoes $3 a pair, find the cost of suits and shoes for nine players.

8. Dick sold a hen for $1.74 and 23 doz. eggs at 42¢ a dozen. How much did he get for all?

Two-Step Problems

As an oral exercise, tell what you will do to solve each problem. Then work the problems. Be sure your answer is reasonable.

1. If each orange costs 34, how much will 2 dozen oranges cost?

2. Dick has 5 orders for 2 dozen eggs each. How many eggs will it take to fill all the orders?

3. We use 3 quarts of milk a day. How much must we pay for milk for 7 days if each quart costs 13¢?

4. My book has 160 pages. I have read 104 pages of this book. If I read 14 pages a day, how many days will it take me to read the rest of the book?

5. Mr. White bought for each of his two children a doll costing $1.25 and a doll carriage costing $2.50. How much did he pay for all the presents?

6. Jane bought doz. eggs at 56¢ a dozen. She gave the storekeeper 50¢. How much change should she get?

7. Father bought 8 gallons of gasoline costing 21¢ a gallon. How much change should he get from a fivedollar bill?

8. John worked 20 minutes a day for 6 days. How many hours did he work in all?

9. A certain trolley car has 2 rows of seats, with 11 seats in each row. If 2 people are sitting in each seat, how many people are seated in the car?

10. Our Reader has 215 pages. We have read 143 pages and wish to finish the Reader in 12 days. How many pages must we read each day?

11. How much did Robert get for 3 dozen boxes of blueberries if he sold them for 13¢ a box?

12. If I buy 4 doz. eggs at 55¢ a dozen, what change should I get from a five-dollar bill?

13. In Janet's doll house there are 5 chairs in the living room and 3 chairs in each of the 4 other rooms. How many chairs are there in her doll house?

14. Henry sold 6 doz. ears of corn at 27¢ a dozen. How much more does he need to buy a baseball glove costing $2?

15. Find the total cost of 32 qt. of blackberries at 18¢ a quart and a bushel of peaches costing $3.

16. Father bought $1.16 worth of flour, $.84 worth of sugar, and $2.05 worth of meat. How much change should he get from a five-dollar bill?

17. Mr. Hess bought a second-hand car for $125. He spent $65 in repairing it, then sold it for $250. How much profit did he make?

18. The first day Ned sold newspapers, he sold 63 papers. The second day he got 85 papers from the newspaper office but returned to the office 9 papers which he could not sell. How many papers did he sell in the two days?

19. Mother bought 2 dozen eggs. She cooked 9 of them. How many eggs had she left ?

20. If Dick's hens lay 8 eggs a day, how many eggs will the hens lay in 2 weeks?

21. We pay 3¢ for the daily paper each day except Sunday and 10¢ for the Sunday paper. How much do we pay for papers each week?

FINDING AVERAGES

Ann's marks for September were 78 in English, 89 in spelling, 95 in writing, 92 in arithmetic, 83 in history, and 85 in geography. What was her average mark for September?

Nora, Jane, Nan, Betty, and Sarah received the following marks for October:

Find the average mark for each girl.

Play a game of averages. Let one pupil be the teacher and give marks in five subjects to another pupil. All the pupils except the one who is teacher find the average mark. The pupil who first finds the correct average will act as the

next teacher.

Find the average mark for seven subjects.