Rate
Percentage
II. Identify the base rate, and percentage.
Given
Base
5. 20% of 60 is 12
6. 25% of 200 is 50
7. 45 is 90% of 50
8. 12% of 150 is 18
snare nised beforesaan ako
Percentage
II. Identify the base rate, and percentage.
Given
Base
5. 20% of 60 is 12
6. 25% of 200 is 50
7. 45 is 90% of 50
8. 12% of 150 is 18
snare nised beforesaan ako
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What is 18% of 500? 18% of 500 represent 18 parts out of hundred, so 18% of 500 represents 18 parts for each hundred which is 18 + 18 + 18 + 18 + 18 = 90. Thus, 18% of 500 = 90
So, 18% of 500 = 18100 × 500 = 18 × 5 = 90
To find the percent of a given number let us consider some of the following examples.
1. Find 50% of 75.
Solution:
50% of 75
= 50 × 1/100 × 75
= 50/100 × 75
= (50 × 75)/100
= 3750/100
= 3750/100 ÷ 50/50
[Divide the numerator and denominator by 50]
= 75/2
To Find the Percent of a Given Number
= 37 ½
Answer: 37 ½
2. What is 15% of 200?
Solution:
15% of 200
= 15100 × 200
= 15 × 2
= 30
3. Find 12% of 250.
Solution:
12% of 250
= 12 × 1/100 × 250
= 12/100 × 250
= (12 × 250)/100
= 3000/100
= 3000/100 ÷ 100/100
[Divide the numerator and denominator by 100]
= 30
Answer: 30
4. Find 30% of 86.
Solution:
30% of 86
= 30 × 1/100 × 86
= 30/100 × 86
= (30 × 86)/100
= 2580/100
= 2580/100 ÷ 20/20
[Divide the numerator and denominator by 20]
= 129/5
To Find the Percent of a Given Number
= 25 4/5
Answer: 25 4/5
5. Find 15% of 60.
Solution:
15% of 60
= 15 × 1/100 × 60
= 15/100 × 60
= (15 × 60)/100
= 900/100
= 900/100 ÷ 100/100
[Divide the numerator and denominator by 100]
= 9
Answer: 9
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