4. On her birthday, Inna received
P1,500.00 from her godmother.
With her money, she spent
40% for a blouse, and saved
the rest. How much was used
in buying a blouse?
5. Answer the questions:
1. Who received money from her godmother?
2. Why did her godmother give her money?
3. How much did she receive from her
godmother?
4. What did she do with her money?
5. If you were Inna, will you do the same?
Why?
6. On her birthday, Inna received
P1,500.00 from her godmother.
With her money, she spent
40% for a blouse, and saved
the rest. How much was used
in buying a blouse?
7. Analyze the problem and answer the
questions:
1. What is asked in the problem?
2. What facts are in the problem?
3. What is the operation to be used?
4. What is the number sentence?
5. What is the answer?
8. Terms to Remember:
B = (Base) the number of which a given
number is of another
R = (Rate) what percent a certain number is
of another
P = (Percentage) the number of which a
given number is a certain percent
9. Solution:
B = P1,500 (Amount received by Inna
R = 40% (Percent spent for a blouse)
P = ?
P = B x R
P = P1,500 x .40
P = P600
11. Another example:
2.) Henry bought a barong with 15%
discount or P150. The barong must
have a tag price of P1,000.
B = P1,000
R = 15%
P = P150
14. Group Activity
Identify the rate, base and percentage by completing
the table.
Rate Bas
e
Percentag
e
1.) 6 is 25% of 24
2.) 20% of 15 is 3
3.) 500 is 62.5% of 800
4.) 125% of 60 is 75
5.) 30 is 50% of 60
6.) 60 is 20% of 300
15. Group Activity
Identify the rate, base and percentage by completing
the table.
Rate Bas
e
Percentag
e
1.) 6 is 25% of 24 25% 24 6
2.) 20% of 15 is 3 20% 15 3
3.) 500 is 62.5% of 800 62.5% 800 500
4.) 125% of 60 is 75 125% 60 75
5.) 30 is 50% of 60 50% 60 30
6.) 60 is 20% of 300 20% 300 60
16. Game ka na
ba?2% of 30 is 6. What is the base?
Answer: The base is 30.
22. Why is it that parents
usually prefer to buy items
on sale?
23. What is the meaning of
percentage? rate? base?
24. Direction: Determine the rate, base and
percentage:
1.) 20% of 50 is 10.
2.) 80 is 125% of 64.
3.) 8% of 1,200 is 96.
4.) 48 is 40% of 120.
5.) Twenty-one is 25% of 84.
25. Assignment: Identify the rate, base and
percentage in the following statements:
1.) 180% of 200 is 360
2.) 35% of 90 is 31.5
3.) 6.6 is 12% of 55
4.) 60% of 80 is 48
5.) 120% of 3 500 is 4 200