Solved: What is 10 Percent of 138? = 13.8 | 10% of 138 = 13.8

Percentage Calculator: 10 Percent of 138

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Calculation of What is 10 percent of 138:

10 percent * 138 =

(10 / 100) * 138 =

(10 * 138) / 100 =

1380 / 100 =

13.8

Now we have the answer: 10% of 138 = 13.8. Alternatively, we can express it as: 13.8 is equivalent to 10 percent of 138.

Mathematical Notation: 10% * 138 = (10 / 100) * 138 = (10 * 138) / 100 = 1380 / 100 = 13.8

Formula we can use to solve our problem:

Formula: X/100 × Y

Let's use the example of "What is 10% of 138?" to understand the calculation:

= 10/100 × 138 = 13.8

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

Solution for "What is 10 percent of 138" with Step-by-step guide:

Step 1: Start with the given output value, which is 13.8.

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

Step 3: From Step 1, we know that 13.8 is equivalent to 100%.

Step 4: Similarly, we can determine that 'x' represents 10% of the value.

Step 5: This leads us to two simple equations:

Equation 1: 138 equals 100%
Equation 2: 'x' equals 10%

Step 6: To solve for 'x', we divide equation 1 by equation 2, considering that both equations have the same unit (%). Thus, we obtain:
138 / x = 100% / 10%

Step 7: By taking the reciprocal of both sides of the equation obtained in Step 6, we have:
x / 138 = 10 / 100
⇒ x = 13.8

Therefore, we conclude that 10% of 138 is equal to 13.8.

I hope explanation above helps you understand how to calculate 10 percent of 138

Written by: Dr. Mohammad Monir Uddin

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

Quick Tip - How Calculate 10 percent of 138 on calculator

If you want to use a calculator to know what is 10 percent of 138, simply enter 10 ÷ 100 × 138 and you will get your answer which is 13.8

Frequently Asked Questions on What is 10 percent of 138

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 10% of 138?

10 percent of 138 is 13.8.

3. How to calculate 10 percent of 138?

Multiply 10/100 by 138 = (10/100) * 138 = (10 * 138) / 100 = 13.8.

2. 10 of 138?

10 of 138 = 13.8.

4. what is 10 percent of 138 dollars?

13.8 dollars.

Sample questions and answers

Question: At a high school 10 percent of seniors went on a mission trip. There were 138 seniors. How many seniors went on the trip?

Answer: 13.8 seniors went on the trip.

Question: 10 percent of the children in kindergarten like Thomas the Train. If there are 138 kids in kindergarten, how many of them like Thomas?

Answer: 13.8 kids like Thomas the Train.

What is 10 percent of 138? (10% of 138?)

Answer: 10 percent of 138 is 13.8. Alternatively, we can say that 13.8 is equivalent to 10% of 138.