18 is 25 of what number

25 percent *18

= (25/100)*18

= (25*18)/100

= 450/100 = 4.5

Now we have: 25 percent of 18 = 4.5

Question: What is 25 percent of 18?

We need to determine 25% of 18 now and the procedure explaining it as such

Step 1: In the given case Output Value is 18.

Step 2: Let us consider the unknown value as x.

Step 3: Consider the output value of 18 = 100%.

Step 4: In the Same way, x = 25%.

Step 5: On dividing the pair of simple equations we got the equation as under

18 = 100% (1).

x = 25% (2).

(18%)/(x%) = 100/25

Step 6: Reciprocal of both the sides results in the following equation

x%/18% = 25/100

Step 7: Simplifying the above obtained equation further will tell what is 25% of 18

x = 4.5%

Therefore, 25% of 18 is 4.5

25 percent *18

= (25/100)*18

= (25*18)/100

= 450/100 = 4.5

Now we have: 25 percent of 18 = 4.5

Question: What is 25 percent of 18?

We need to determine 25% of 18 now and the procedure explaining it as such

Step 1: In the given case Output Value is 18.

Step 2: Let us consider the unknown value as x.

Step 3: Consider the output value of 18 = 100%.

Step 4: In the Same way, x = 25%.

Step 5: On dividing the pair of simple equations we got the equation as under

18 = 100% (1).

x = 25% (2).

(18%)/(x%) = 100/25

Step 6: Reciprocal of both the sides results in the following equation

x%/18% = 25/100

Step 7: Simplifying the above obtained equation further will tell what is 25% of 18

x = 4.5%

Therefore, 25% of 18 is 4.5

1. How do I calculate percentage of a total?

To calculate percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a decimal by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.

2. What is 25 percent of 18?

25 percent of 18 is 4.5.

3. How to calculate 25 percent of 18?

Multiply 25/100 with 18 = (25/100)*18 = (25*18)/100 = 4.5.

Video Transcript

When writing an equation like this, we need to think of it as translating the verbal model tone algebraic model. We can leave 18 alone. It's already a number is will become equals. 25% needs to be converted to a desperate. We know that 25% means 25 out of 100 which also means 0.25 This is a number that we could work with of means to multiply, and what number is unknown are based. Numbers unknown, therefore, will use be to represent. This is the algebraic model. For this example. We're left with a simple equation that we should solve in order to find our base number. We can solve this by dividing both sides by 0.25. This will allow R B value to be isolated. An 18 divided by 180.25 is 72. So 18 is 25% of 72 for our final answer

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• p% of A = ?
• p% of ? = A
• ?% of A = B
• fractions a/b = ?%
• relative change
• p% = ? number
• (1 + p%) × n
• (1 - p%) × n

Percentage of 25% of 18 = ?

Detailed calculations and final verification of the result

A brief introduction:

'Percent (%)' means 'out of one hundred':

25% = 25 'out of one hundred',

p% is read p 'percent',

25% = 25/100 = 25 ÷ 100

What does it mean to calculate the percentage of a number?

25% of 18 = ?

... is equivalent to multiplying them:

25% × 18 = ?

The calculation of the percentage:

25% of 18 =

25% × 18 =

25/100 × 18 =

(25 ÷ 100) × 18 =

25 × 18 ÷ 100 =

450 ÷ 100 =

4.5

The proof of the calculations

How do we check the result?

If 25% × 18 = 4.5 =>

Divide 4.5 by 18...

... And see if we get as a result: 25%

A quick note:

100/100 = 100 ÷ 100 = 100% = 1

Multiply a number by the fraction 100/100,
... and its value doesn't change.

n/100 = n%, for any number.

The calculation of the percentage value:

We will prove below that the calculations are correct.

4.5 ÷ 18 =

0.25 =

0.25 × 100/100 =

(0.25 × 100)/100 =

25/100 =

25%

The answer:

Percentage of 25% of 18 = 4.5

The symbols used: % percent, ÷ division, × multiplication, = the equal sign, / the fraction bar, ≈ approximately the same. Writing numbers: comma ',' - as a thousands separator, point '.' as a decimal mark.

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Percent. Percentages.

Percent

• Percent is one hundredth of a given amount, is an amount calculated with reference to a hundred, hundredth, 1 ÷ 100 = 1/100, ie. a fraction with numerator equal to 1 and denominator to one hundred.
• The word comes from the Latin "per Centum", meaning "by the hundred". The latin word "Centum" means "100", for example a century is 100 years. So, "percent" means "per 100".
• Percent means 1/100, two percent means 2/100, three percent means 3/100, and so on.
• Although a fraction, the percent occurs in writing without the denominator (100), but only with the numerator, followed by the sign %: 1 percent = 1%, two percent = 2%, three percent = 3%, and so on.

Percentage

• Percentage is the "result of multiplying a quantity by a certain percent".
• So 10 percent (10 ÷ 100 = 10/100 = 10%) out of 50 apples is 5 apples (10% of 50 = 10/100 × 50 = 500/100 = 5) - the 5 apples is the percentage.

When do we say percent and when percentage?

• The word percent (or the symbol %) accompanies a specific number: around 60 percent (60%) of the people voted for a change.
• The more general word percentage is used without a number: the percentage of the people that voted for a change was around 60 percent (60%);
• Correct: 60 percent (60%) of the people; Incorrect: 60 percentage of the people;
• Correct: a higher percentage of voters; Incorrect: a higher percent of voters;
• Note: In front of the word "percent" use the number, don't spell it out: "60 percent" is right, "sixty percent" is rather not. Always use figures for ages of people (He's 43 years old), dates (May 26), monetary amounts ($80,000), percentages (60 percent) and ratios (2-to-3).

Percentages converted to decimal numbers:

• 1 percent, 1%, means 1 per 100, 1% = 1/100 = 0.01.
• 50 percent, 50%, means 50 per 100, 50% = 50/100 = 1/2 (half) = 0.5.
• 1 percent of 70 is: 1% of 70 = 1/100 × 70 = 7/10 = 0.7
• 50 percent of 70 is: 50% of 70 = 50/100 × 70 = 1/2 × 70 = 35.

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