What is 20% of 45?

NOVEMBER 10, 2023

What is the answer to 20% of 45?

The answer to 20% of 45 is 9.

Method 1: Tips

To solve this problem using Method 1, we need to convert the percentage to a fraction.

Convert percentages to fractions

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.

What is the multiplication formula for 20% of 45?

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

Follow the steps to figure out the answer

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.

Step by step solution to the problem

  1. Convert 20% to a fraction: 20% = 0.2/1
  2. Multiply the fraction by 45: 0.2/1 * 45 = 0.2 * 45 / 1 = 9

Method 2: Tips

To solve this problem using Method 2, we need to convert the percentage to a decimal.

Convert percentages to decimals

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.

What is the multiplication formula for 20% of 45?

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

Follow the steps to figure out the answer

To find the answer, we multiply 0.2 by 45:

0.2 * 45 = 9

Therefore, 20% of 45 is 9.

Step by step solution to the problem

  1. Convert 20% to a decimal: 20% = 0.2
  2. Multiply the decimal by 45: 0.2 * 45 = 9

Solved examples related to 20% of 45

Example 1: What is 20% of 45?

To find 20% of 45, we can use either Method 1 or Method 2.

Using Method 1:

  1. Convert 20% to a fraction: 20% = 0.2/1
  2. Multiply the fraction by 45: 0.2/1 * 45 = 0.2 * 45 / 1 = 9

Using Method 2:

  1. Convert 20% to a decimal: 20% = 0.2
  2. Multiply the decimal by 45: 0.2 * 45 = 9

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:

  1. Convert 40% to a fraction: 40% = 0.4/1
  2. Multiply the fraction by 45: 0.4/1 * 45 = 0.4 * 45 / 1 = 18

Using Method 2:

  1. Convert 40% to a decimal: 40% = 0.4
  2. Multiply the decimal by 45: 0.4 * 45 = 18

Therefore, 40% of 45 is 18.

How to convert percentages into fractions?

To convert a percentage into a fraction, follow these steps:

  1. Divide the percentage by 100.
  2. Simplify the resulting fraction if possible.

For example, to convert 20% to a fraction:

  1. Divide 20 by 100: 20/100 = 0.2
  2. Simplify the fraction if possible: 0.2/1

Therefore, 20% can be written as the fraction 0.2/1.

Examples on converting percentages into fractions

Example 1: Convert 25% to a fraction.

  1. Divide 25 by 100: 25/100 = 0.25
  2. Simplify the fraction if possible: 0.25/1

Therefore, 25% can be written as the fraction 0.25/1.

Example 2: Convert 75% to a fraction.

  1. Divide 75 by 100: 75/100 = 0.75
  2. Simplify the fraction if possible: 0.75/1

Therefore, 75% can be written as the fraction 0.75/1.

How to convert percentage to decimal?

To convert a percentage to a decimal, divide the percentage by 100.

For example, to convert 20% to a decimal:

  1. Divide 20 by 100: 20/100 = 0.2

Therefore, 20% can be written as the decimal 0.2.

Solved Examples on converting percentage to decimal

Example 1: Convert 40% to a decimal.

  1. Divide 40 by 100: 40/100 = 0.4

Therefore, 40% can be written as the decimal 0.4.

Example 2: Convert 75% to a decimal.

  1. Divide 75 by 100: 75/100 = 0.75

Therefore, 75% can be written as the decimal 0.75.

Question: 20% of 45

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:

  1. Convert 20% to a fraction: 20% = 0.2/1
  2. Multiply the fraction by 45: 0.2/1 * 45 = 0.2 * 45 / 1 = 9

Using Method 2:

  1. Convert 20% to a decimal: 20% = 0.2
  2. Multiply the decimal by 45: 0.2 * 45 = 9

Therefore, 20% of 45 is 9.