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A. Find 64% of 450. B. Find 14% of 84. C. Find 112% of 125.

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A. How much is 80 increased by 35% of itself?
80 increased by 35% is 135% of 80

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B. How much is 125 decreased by 18% of itself?
125 decreased by 18% is 82% of 125
82% of 125

How much is

=

102.5

1. 75 increased by 16% of itself?
2. 350 increased by 24% of itself?
3. 84 decreased by 15% of itself?
4. $118 increased by 5% of itself?
5. $125 decreased by 8% of itself?
6. 650 decreased by 22% of itself?
7. 1,200 increased by 30% of itself?

PROBLEMS

1. Miss Johnson has 35 pupils in her room and 60% of them are girls. How many girls has she? How many boys?

2. Randolph set 56 eggs. Seventy-five per cent of these hatched. How many eggs hatched?

3. Thirty-two per cent of a 75-acre farm is woodland. How many acres are woodland?

4. A farmer's apple crop was 175 barrels. He kept 8% of the crop and sold the rest. How many barrels of apples did he sell?

5. Mr. Whipple took a trip of 180 miles, going 15% of this distance by automobile. How many miles did he go by automobile?

6. During a summer vacation of 9 weeks, Wallace earned $4 a week. He saved 65% of his earnings. How much did he save that summer?

7. Of the 560 pupils in the Jefferson School, 95% are present today. How many pupils are present?

8. For selling $1,800 worth of goods an agent received 5% of his sales. How much did he receive?

9. Four per cent of the weight of a cow's milk is butter fat. How much butter fat is in 615 lb. of this cow's milk? 10. Mr. Raymond received $1,500 salary last year. He receives 12% more salary this year. How much is his salary? 11. A grocer's sales one week were $172.50. The next week they were 16% less. How much were his sales the second week?

12. One year an automobile factory turned out 2,500 cars. The next year it increased its output 10%. How many cars did the factory make the second year?

Finding What per Cent One Number Is of Another

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1. The Forest Park School won 16 out of 24 ball games they played last spring. What per cent of the games did they win?

2. Of the 28 girls in Grade VII, 21 had A on an arithmetic test. What per cent got A?

3. A man who earned $60 a week put $5 a week in the bank. What per cent of his weekly earnings did he save?

4. Knives costing 75¢ are sold for $1. What is the per cent gain?

5. Mr. Reynolds sold 12 acres of his 48-acre farm. What per cent of his farm did he sell? The amount sold was what per cent of the amount left?

6. The Girl Scouts sold 60 lb. of candy at an entertainment. Of this amount, 48 lb. were given to them. What per cent of the candy did they buy?

7. Of the 48 pupils in Miss Martin's room 35 had perfect attendance last month. What per cent had perfect attendance?

8. Miss Smith's pupils have earned $21 toward a $30 picture. What per cent of the cost of the picture have they earned?

9. A girls' club has 40 members. Thirty-four of the girls are Scouts. What per cent are Scouts?

10. A boys' club is trying to secure 80 members. It already has 52 members. What per cent of the total is this?

11. The Turners traveled 70 miles of a 150-mile trip before they stopped for lunch. What per cent of the trip had they traveled?

12. On a trip to a camp Robert went 91 miles by train and 84 miles by boat. What per cent of the trip was by train?

13. When William Brewster was twelve he could run 50 yd. in 9 sec. Now, when he is thirteen, he can run 4 yd. farther in the same time. What is the per cent of increase in the distance run?

14. On the way home from the grocery Ruth Lane dropped a 2-lb. bag of sugar and some was lost. The sugar left in the bag weighed 1 lb. 4 oz. What per cent of the sugar was saved?

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