Average, GST, Discount

Average 1

100

4, 5, 2, 1

3

200

12, 9, 13, 10

11

300

7, 4, 6, 8, 5, 6

6

400

18, 9, 20, 7, 16

14

500

20, 15, 30, 10, 25

20

Average 2

100

15, 14, 10

13

200

33, 34, 40, 45

38

300

14, 9, 21, 18, 18

16

400

7, 18, 9, 11, 12, 15

12

500

2, 8, 12, 1, 9, 12, 5, 7

7

Average 3

100

Hailey received a score of 97, 90, 95 on her first three math exams. Find her average score.

94

200

There are 5 students in a Math class. Five of their grades are: 73, 84, 86, 91, 91

85

300

At a factory, three workers produced 87, 93 and 102 units respectively in one day. What is the average production, in units, of these three workers?

94

400

The school listed the number of students from Grade 1 to Grade 5: 36, 50, 44, 30 and 40 . Find the average number of students in each grade.

40

500

In an English class, four students wrote essays of 1327, 1295, 1198 and 1456 words in length, respectively. What is the average length of these four essays?

1319

Average Money 1

100

$20.46, $32.22

$26.34

200

$3.20, $5.64, $6.40

$5.08

300

$2.75, $3.50, $16.75, $12.55, $7.75

$8.66

400

$55.75, $52.85, $33.55

28.43

500

$10.50, $10.50, $10.50, $11.50

$10.75

GST & Discount

100

$500 bike, What is the price after GST is added? 

$535

200

$750 pair of shoes, What is the GST amount?

$52.50

300

$500 Ipad, 30% discount, what is the price after discount?

$350

400

14% of 300

42

500

18% of 410

73.8