Solved: What is 20 Percent of 420? = 84 | 20% of 420 = 84

Percentage Calculator: 20 Percent of 420

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Calculation of What is 20 percent of 420:

20 percent * 420 =

(20 / 100) * 420 =

(20 * 420) / 100 =

8400 / 100 =

Now we have the answer: 20% of 420 = 84. Alternatively, we can express it as: 84 is equivalent to 20 percent of 420.

Mathematical Notation: 20% * 420 = (20 / 100) * 420 = (20 * 420) / 100 = 8400 / 100 = 84

Formula we can use to solve our problem:

Formula: X/100 × Y

Let's use the example of "What is 20% of 420?" to understand the calculation:

= 20/100 × 420 = 84

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

Solution for "What is 20 percent of 420" with Step-by-step guide:

Step 1: Start with the given output value, which is 84.

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

Step 3: From Step 1, we know that 84 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: 420 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:
420 / x = 100% / 20%

Step 7: By taking the reciprocal of both sides of the equation obtained in Step 6, we have:
x / 420 = 20 / 100
⇒ x = 84

Therefore, we conclude that 20% of 420 is equal to 84.

I hope explanation above helps you understand how to calculate 20 percent of 420

Written by: Dr. Mohammad Monir Uddin

Associate Professor, Ph.D. (in Mathematics), M.Sc. (in Applied Mathematics)

Quick Tip - How Calculate 20 percent of 420 on calculator

If you want to use a calculator to know what is 20 percent of 420, simply enter 20 ÷ 100 × 420 and you will get your answer which is 84

Frequently Asked Questions on What is 20 percent of 420

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 420?

20 percent of 420 is 84.

3. How to calculate 20 percent of 420?

Multiply 20/100 by 420 = (20/100) * 420 = (20 * 420) / 100 = 84.

2. 20 of 420?

20 of 420 = 84.

4. what is 20 percent of 420 dollars?

84 dollars.

Sample questions and answers

Question: At a high school 20 percent of seniors went on a mission trip. There were 420 seniors. How many seniors went on the trip?

Answer: 84 seniors went on the trip.

Question: 20 percent of the children in kindergarten like Thomas the Train. If there are 420 kids in kindergarten, how many of them like Thomas?

Answer: 84 kids like Thomas the Train.

What is 20 percent of 420? (20% of 420?)

Answer: 20 percent of 420 is 84. Alternatively, we can say that 84 is equivalent to 20% of 420.