What Percent of x is y? Formula & Example

A percent is a fraction whose denominator (bottom number) is 100. The percent sign, “%”, indicates percentages or percent (parts per hundred). Percentages are used to express how large/small one quantity is, relative to another quantity. The first quantity usually represents a part or a fraction of the second quantity, which should be 100 or some multiple of 100. percent can be written using the percent sign: 25% or with the word ‘percent’ after a number: 25 percent. When percent follows a whole number, we say ‘percent’. All per cents are fractions with a denominator of 100. We can use fractions and decimals to represent per cents. For example, 1% = 1/100 = 0.01 and 75% = 75/100 = 0.75. To calculate a percent of a quantity, divide the quantity by 100 and multiply by the percent. for Example: What is 10% of 150? 10% = 10/100 So we have 10/100 × 150 = 15%.

What Percent of x is y?
What Percent of x is y?

What Percent of x is y?

Above we have discussed how we calculate percentages keeping that thing in mind we can answer this question. To understand this let us take an example.

What Percent of 5 is 3?

Here in this question, we have to find out what percent of 5 is 3. so let us understand this situation –

let the percent be, z

so, 5 * (z/100) = 3

then, z/100 = 3/5

z = 3/5 *100

z = 3 * 20

z = 60

so here we got the answer 60% of 5 is 3.

With this example, we can form a formula to find out each and every question of this format so let us generate the formula. Here 5 is x and 3 is y. By observing this line,

z = 3/5 *100

we can easily generate the formula for the condition What Percent of x is y? And that will be, z = y/x * 100. Now let us see more examples –

What Percent of 100 is 20?

Here we have to find out what percent of 100 is 20. So let us find out the answer to this question.

let the percent be, z

so, 100 * (z/100) = 20

then, z/100 = 20/100

z = 20/100 *100

z = 20 * 1

z = 20

Answer – 20% of 100 is 20.

Using the formula – z = y/x * 100

here, x = 100 and y = 20

z = 20/100 * 100 = 20

What Percent of 170 is 70?

Here we have to find out what percent of 170 is 70. So let us find out the answer to this question.

let the percent be, z

so, 170 * (z/100) = 70

then, z/100 = 70/170

z = 70/170 *100

z = 0.4117 * 100

z = 41.17

Answer – 41.17% of 170 is 70.

What Percent of 40 is 30?

Here we have to find out what percent of 40 is 30. So let us find out the answer to this question.

let the percent be, z

so, 40 * (z/100) = 30

then, z/100 = 30/40

z = 30/40 *100

z = 0.75 * 100

z = 75

Answer – 75% of 100 is 20.

What Percent of 40 is 80?

Here we have to find out what percent of 170 is 70. So let us find out the answer to this question.

let the percent be, z

so, 40 * (z/100) = 80

then, z/100 = 80/40

z = 80/40 *100

z = 2 * 100

z = 200

Answer – 200% of 40 is 80.

What Percent of 75 is 15?

Here we have to find out what percent of 75 is 15. So let us find out the answer to this question.

let the percent be, z

so, 75 * (z/100) = 15

then, z/100 = 15/75

z = 15/75 *100

z = 1/5 * 100

z = 20

Answer – 20% of 170 is 70.

What Percent of 160 is 20?

Here we have to find out what percent of 160 is 20. So let us find out the answer to this question.

let the percent be, z

so, 160 * (z/100) = 20

then, z/100 = 20/160

z = 20/160 *100

z = 1/8 * 100

z = 12.5

Answer – 12.5% of 160 is 20.

What Percent of 20 is 19?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 20 * (z/100) = 19

then, z/100 = 19/20

z = 19/20 *100

z = 19 * 5

z = 95

Answer – 95% of 20 is 19.

What Percent of 20 is 6?

Here we have to find out what percent of 20 is 6. So let us find out the answer to this question.

let the percent be, z

so, 20 * (z/100) = 6

then, z/100 = 6/20

z = 6/20 *100

z = 6 * 5

z = 30

Answer – 30% of 20 is 6.

What Percent of 30 is 40?

Here we have to find out what percent of 30 is 40. So let us find out the answer to this question.

let the percent be, z

so, 30 * (z/100) = 40

then, z/100 = 40/30

z = 40/30 *100

z = 4/3 * 100

z = 133.33

Answer – 133.33% of 20 is 19.

What Percent of 4 is 3?

Here we have to find out what percent of 4 is 3. So let us find out the answer to this question.

let the percent be, z

so, 4 * (z/100) = 3

then, z/100 = 3/4

z = 3/4 * 100

z = 3 * 25

z = 75

Answer – 75% of 4 is 3.

What Percent of 68 is 32.1?

Here we have to find out what percent of 68 is 32.1. So let us find out the answer to this question.

let the percent be, z

so, 68 * (z/100) = 32.1

then, z/100 = 32.1/68

z = 32.1/68 *100

z = 0.472 * 100

z = 47.2

Answer – 47.2% of 68 is 32.1.

What Percent of 75 is 25?

Here we have to find out what percent of 75 is 25. So let us find out the answer to this question.

let the percent be, z

so, 75 * (z/100) = 25

then, z/100 = 25/75

z = 25/75 *100

z = 1/3 * 100

z = 33.33

Answer – 33.33% of 75 is 25.

What Percent of 25 is 4?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 25 * (z/100) = 4

then, z/100 = 4/25

z = 4/25 *100

z = 4 * 4

z = 16

Answer – 16% of 25 is 4.

What Percent of 25 is 12?

Here we have to find out what percent of 25 is 12. So let us find out the answer to this question.

let the percent be, z

so, 25 * (z/100) = 12

then, z/100 = 12/25

z = 12/25 *100

z = 12 * 4

z = 48

Answer – 48% of 25 is 12.

What Percent of 25 is 20?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 25 * (z/100) = 20

then, z/100 = 20/25

z = 20/25 *100

z = 20* 4

z = 80

Answer – 80% of 25 is 20.

What Percent of 30 is 18?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 30 * (z/100) = 18

then, z/100 = 18/30

z = 18/30 *100

z = 6 * 10

z = 60

Answer – 60% of 30 is 18.

What Percent of 60 is 18?

Here we have to find out what percent of 60 is 18. So let us find out the answer to this question.

let the percent be, z

so, 60 * (z/100) = 18

then, z/100 = 18/60

z = 18/60 *100

z = 3 * 10

z = 30

Answer – 30% of 60 is 18.

What Percent of 80 is 16?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 80 * (z/100) = 16

then, z/100 = 16/80

z = 16/80 *100

z = 2 * 10

z = 20

Answer – 20% of 80 is 16.

What Percent of 93 is 22?

Here we have to find out what percent of 93 is 22. So let us find out the answer to this question.

let the percent be, z

so, 93 * (z/100) = 22

then, z/100 = 22/93

z = 22/93 *100

z = 0.2365 * 100

z = 23.65

Answer – 23.65% of 93 is 22.

What Percent of 20 is 3?

Here we have to find out what percent of 20 is 3. So let us find out the answer to this question.

let the percent be, z

so, 20 * (z/100) = 3

then, z/100 = 3/20

z = 3/20 *100

z = 3 * 5

z = 15

Answer – 15% of 20 is 5.

What Percent of 29 is 3?

Here we have to find out what percent of 29 is 3. So let us find out the answer to this question.

let the percent be, z

so, 29 * (z/100) = 3

then, z/100 = 3/29

z = 3/29 *100

z = 0.10344 * 5

z = 10.344

Answer – 10.344% of 29 is 3.

What Percent of 38 is 15?

Here we have to find out what percent of 38 is 15. So let us find out the answer to this question.

let the percent be, z

so, 38 * (z/100) = 15

then, z/100 = 15/38

z = 15/38 *100

z = 0.3947 * 100

z = 39.47

Answer – 39.47% of 38 is 15.

What Percent of 40 is 24?

Here we have to find out what percent of 20 is 19. So let us find out the answer to this question.

let the percent be, z

so, 40 * (z/100) = 24

then, z/100 = 24/40

z = 24/40 *100

z = 6 * 10

z = 60

Answer – 60% of 40 is 24.

What Percent of 60 is 45?

Here we have to find out what percent of 60 is 45. So let us find out the answer to this question.

let the percent be, z

so, 60 * (z/100) = 45

then, z/100 = 45/60

z = 45/60 *100

z = 3/4 * 100

z = 75

Answer – 75% of 60 is 45.

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