## Step by action solution for calculating 12 is 15 percent of what number

We already have actually our initially worth 12 and the second worth 15. Let"s assume the unknown value is Y which answer we will uncover out.

You are watching: 12 is 15% of what

As we have all the forced values we need, Now we can put them in a straightforward mathematical formula as below:

STEP 1 12 = 15% × Y

STEP 2 12 = 15/100× Y

Multiplying both sides by 100 and also dividing both sides of the equation by 15 we will certainly arrive at:

STEP 3 Y = 12 × 100/15

STEP 4 Y = 12 × 100 ÷ 15

STEP 5 Y = 80

Finally, we have found the worth of Y which is 80 and that is our answer.

You deserve to easily calculate 12 is 15 percent of what number by utilizing any regular calculator, sindicate enter 12 × 100 ÷ 15 and you will certainly gain your answer which is 80

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## Sample concerns, answers, and how to

Question: Your friend has actually a bag of marbles, and also he tells you that 15 percent of the marbles are red. If there are 12 red marbles. How many type of marbles does he have actually altogether?

How To: In this difficulty, we recognize that the Percent is 15, and we are likewise told that the Part of the marbles is red, so we understand that the Part is 12.

So, that suggests that it must be the Total that"s missing. Here is the method to figure out what the Total is:

Part/Total = Percent/100

By using an easy algebra we can re-arselection our Percent equation prefer this:

Part × 100/Percent = Total

If we take the "Part" and also multiply it by 100, and also then we divide that by the "Percent", we will certainly obtain the "Total".

Let"s try it out on our difficulty about the marbles, that"s exceptionally simple and it"s simply 2 steps! We recognize that the "Part" (red marbles) is 12.

So action one is to just multiply that Part by 100.

12 × 100 = 1200

In step 2, we take that 1200 and also divide it by the "Percent", which we are told is 15.

So, 1200 split by 15 = 80

And that indicates that the total number of marbles is 80.

Question: A high college marching band has actually 12 flute players, If 15 percent of the band also members play the flute, then how many type of members are in the band?

Answer: Tright here are 80 members in the band.

How To: The smaller sized "Part" in this difficulty is 12 given that there are 12 flute players and we are told that they consist of 15 percent of the band also, so the "Percent" is 15.

Again, it"s the "Total" that"s missing right here, and also to uncover it, we just should follow our 2 action procedure as the previous trouble.

For step one, we multiply the "Part" by 100.

12 × 100 = 1200

For step two, we divide that 1200 by the "Percent", which is 15.

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1200 separated by 15 amounts to 80

That implies that the full number of band members is 80.

## Have time and want to learn the calculation?

Let"s assume the unknown value is Y

First composing it as: 100% / Y = 15% / 12

Drop the portion marks to simplify your calculations: 100 / Y = 15 / 12

Multiply both sides by Y to move Y on the best side of the equation: 100 = ( 15 / 12 ) Y