The answer to 20% of 45 is 9.
To solve this problem using Method 1, we need to convert the percentage to a fraction.
To convert a percentage to a fraction, we divide the percentage by 100 and simplify the fraction if possible.
In this case, we have 20%. Dividing 20 by 100 gives us 0.2. So, 20% can be written as the fraction 0.2/1.
The multiplication formula for finding a percentage of a number is:
Percentage * Number = Result
In this case, we want to find 20% of 45. So, the formula becomes:
0.2/1 * 45 = Result
To find the answer, we multiply 0.2/1 by 45:
0.2/1 * 45 = 0.2 * 45 / 1 = 9
Therefore, 20% of 45 is 9.
To solve this problem using Method 2, we need to convert the percentage to a decimal.
To convert a percentage to a decimal, we divide the percentage by 100.
In this case, we have 20%. Dividing 20 by 100 gives us 0.2. So, 20% can be written as the decimal 0.2.
The multiplication formula for finding a percentage of a number is:
Percentage * Number = Result
In this case, we want to find 20% of 45. So, the formula becomes:
0.2 * 45 = Result
To find the answer, we multiply 0.2 by 45:
0.2 * 45 = 9
Therefore, 20% of 45 is 9.
Example 1: What is 20% of 45?
To find 20% of 45, we can use either Method 1 or Method 2.
Using Method 1:
Using Method 2:
Therefore, 20% of 45 is 9.
Example 2: What is 40% of 45?
To find 40% of 45, we can use either Method 1 or Method 2.
Using Method 1:
Using Method 2:
Therefore, 40% of 45 is 18.
To convert a percentage into a fraction, follow these steps:
For example, to convert 20% to a fraction:
Therefore, 20% can be written as the fraction 0.2/1.
Example 1: Convert 25% to a fraction.
Therefore, 25% can be written as the fraction 0.25/1.
Example 2: Convert 75% to a fraction.
Therefore, 75% can be written as the fraction 0.75/1.
To convert a percentage to a decimal, divide the percentage by 100.
For example, to convert 20% to a decimal:
Therefore, 20% can be written as the decimal 0.2.
Example 1: Convert 40% to a decimal.
Therefore, 40% can be written as the decimal 0.4.
Example 2: Convert 75% to a decimal.
Therefore, 75% can be written as the decimal 0.75.
The question "20% of 45" is asking for the result when 20% of 45 is calculated. To find the answer, we can use either Method 1 or Method 2 explained above.
Using Method 1:
Using Method 2:
Therefore, 20% of 45 is 9.