What is 20 percent of 400? (20% of 400?)

Answer: 20 percent of 400 is 80. Alternatively, we can say that 80 is equivalent to 20% of 400.

Percentage Calculator: 20 Percent of 400

Here is a calculator to solve percentage calculations such as what is 20% of 400. You can solve this type of calculation with your values by entering them into the calculator's fields, and click 'Calculate' to get the Result and Explanation!

What is% of

Calculation of What is 20 percent of 400:

20 percent * 400 =

(20 / 100) * 400 =

(20 * 400) / 100 =

8000 / 100 =

80

Now we have the answer: 20% of 400 = 80. Alternatively, we can express it as: 80 is equivalent to 20 percent of 400.

Mathematical Notation: 20% * 400 = (20 / 100) * 400 = (20 * 400) / 100 = 8000 / 100 = 80

Formula we can use to solve our problem:

Formula: X/100 × Y

Let's use the example of "What is 20% of 400?" to understand the calculation:

= 20/100 × 400 = 80

Check our "What is X Percent of Y" Calculator for more methods and formulas

Solution for "What is 20 percent of 400" with Step-by-step guide:

Step 1: Start with the given output value, which is 80.

Step 2: Use the variable 'x' to represent the unknown value.

Step 3: From Step 1, we know that 80 is equivalent to 100%.

Step 4: Similarly, we can determine that 'x' represents 20% of the value.

Step 5: This leads us to two simple equations:

  • Equation 1: 400 equals 100%
  • Equation 2: 'x' equals 20%

Step 6: To solve for 'x', we divide equation 1 by equation 2, considering that both equations have the same unit (%). Thus, we obtain:
400 / x = 100% / 20%

Step 7: By taking the reciprocal of both sides of the equation obtained in Step 6, we have:
x / 400 = 20 / 100
⇒ x = 80

Therefore, we conclude that 20% of 400 is equal to 80.

I hope explanation above helps you understand how to calculate 20 percent of 400

Quick Tip - How Calculate 20 percent of 400 on calculator

If you want to use a calculator to know what is 20 percent of 400, simply enter 20 ÷ 100 × 400 and you will get your answer which is 80

Frequently Asked Questions on What is 20 percent of 400

1. How do I calculate percentage of a total?

To calculate percentages of a total: determine the part, divide it by the total, and multiply by 100.

2. What is 20% of 400?

20 percent of 400 is 80.

3. How to calculate 20 percent of 400?

Multiply 20/100 by 400 = (20/100) * 400 = (20 * 400) / 100 = 80.

2. 20 of 400?

20 of 400 = 80.

4. what is 20 percent of 400 dollars?

80 dollars.

Sample questions and answers

Question: At a high school 20 percent of seniors went on a mission trip. There were 400 seniors. How many seniors went on the trip?

Answer: 80 seniors went on the trip.


Question: 20 percent of the children in kindergarten like Thomas the Train. If there are 400 kids in kindergarten, how many of them like Thomas?

Answer: 80 kids like Thomas the Train.

Similar Percentage Problems