Calculating percentages can be a useful skill in a variety of situations, whether you’re trying to figure out the sale price of an item or determine your grade on a test. In this article, we will provide a step-by-step guide on how to use a calculator to determine what 25 percent of 140 is.
Step 1: Determine the percentage
The first step in calculating the percentage is to determine the percentage that you want to calculate. In this case, we want to calculate 25 percent of 140.
Step 2: Convert the percentage to a decimal
To calculate the percentage, we need to convert the percentage to a decimal. To do this, divide the percentage by 100. For example, 25 percent is equal to 0.25 when expressed as a decimal.
Step 3: Multiply the decimal by the number
Now that we have the percentage expressed as a decimal, we can multiply it by the number that we want to find the percentage of. In this case, we want to find 25 percent of 140, so we multiply 0.25 by 140.
Step 4: Round the answer if necessary
Depending on the calculator that you are using, the answer may be displayed with a number of decimal places. If you want to round the answer to a whole number, you can use the rounding function on your calculator to round the answer to the nearest whole number.
For example, if we multiply 0.25 by 140 using a calculator, we get an answer of 35. If we want to round this answer to the nearest whole number, we can use the rounding function on the calculator to round it to 35.
Step 5: Write down the answer
The final step is to write down the answer so that you can refer to it later. In this case, the answer is 35, which means that 25 percent of 140 is 35.
Conclusion
Calculating percentages can be a useful skill in a variety of situations. By following the steps outlined in this guide, you can use a calculator to determine what 25 percent of 140 is. Whether you’re trying to figure out the sale price of an item or determine your grade on a test, being able to calculate percentages can be a valuable tool.
FAQ’s
Q: What is 25 percent of 140?
A: 25 percent of 140 is 35. To calculate 25 percent of a number, you can use a simple formula or a calculator. To use a calculator, convert the percentage to a decimal by dividing it by 100, and then multiply the number by the decimal.
Q: How do I use a calculator to find 25 percent of a number?
A: To use a calculator to find 25 percent of a number, follow these steps:
- Determine the number that you want to find the percentage of.
- Convert the percentage to a decimal by dividing it by 100. For example, to convert 25 percent to a decimal, divide 25 by 100 to get 0.25.
- Multiply the number by the decimal to find the result.
- Use a calculator to enter the number and the decimal, and press the “Multiply” button to find the result.
Q: Can I use a calculator to find the percentage of any number?
A: Yes, you can use a calculator to find the percentage of any number by following the steps outlined above. Simply enter the number and the percentage that you want to find the result of, convert the percentage to a decimal, and multiply the number by the decimal to find the result.
Q: Is it possible to find 25 percent of a number without using a calculator?
A: Yes, it is possible to find 25 percent of a number without using a calculator. To do this , you can use the following formula:
(number x percentage) / 100 = result
For example, to find 25 percent of 140, you can use the formula like this:
(140 x 25) / 100 = 35
This means that 25 percent of 140 is equal to 35.
Q: Are there any other methods for finding the percentage of a number?
A: In addition to using a calculator or the formula above, there are several other methods that you can use to find the percentage of a number. Some of these methods include:
- Using a percentage chart: You can use a percentage chart to find the percentage of a number by looking up the number in the chart and finding the corresponding percentage.
- Using mental math: If you are comfortable with mental math, you can find the percentage of a number by dividing the number by 100 and multiplying the result by the percentage. For example, to find 25 percent of 140, you can divide 140 by 100 to get 1.4, and then multiply 1.4 by 25 to get 35.
- Using a proportion: You can also find the percentage of a number by setting up a proportion and solving for the unknown value. For example, to find 25 percent of 140, you can set up the proportion “25/100 = x/140” and solve for x to find the result.
No matter which method you use, it is important to be precise and accurate when calculating percentages to ensure that you get the correct result.
