Decimals, Averages and Profit and Loss Review

Section A- Decimals

Give the place value of the underlined digit.

(e.g) 8. 042 - hundredths

1. 240.98

2. 4.075

3. 0.003

4. 31.019

Write in words.

(e.g) 4. 009- four and nine thousandths

5. 3.19

6. 1.023

7. 9.3

Multiply

8. 12. 5 x 100

9. 0.9 x 1000

10. 34. 8 x 100

Divide

11. 85.5 ÷ 0. 05

12. 0. 8 ÷ 0.004

13. 9 ÷ 0. 03

Section B- Averages

14. The age of five men are 45, 42, 40, 53, and 50. What is their average age? Circle the correct answer.

a) 42 b) 43

c) 45 d) 46

15. Find the average of the first 4 even numbers. Circle the correct answer.

a) 5 b) 7

c) 8 d) 9

16. Zayne did four tests. On three of them, he scored 58, 65 and 70. If his overall average was 66, what was his score on the fourth test?

17. The average of three numbers is 85. If two of the numbers are 80 and 95, what is the third number?

Section C- Profit and Loss

18. The cost price of an item is $655. It is sold to make a profit of $135. What is the selling price?

19. At a wholesaler, the cost price of a product is $500. It is sold and makes a 20% profit.

a. What is the profit?

b. Calculate the selling price.

20. Cost Price= $2000

Loss %= 10%

Loss = _________

Selling Price= ________

Comments

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