## Step by action solution for calculating 30 is 15 percent the what number

We currently have our very first value **30** and also the second value **15**. Let"s i think the unknown value is **Y** i m sorry answer us will uncover out.

You are watching: 30 is 15 percent of what number

As we have all the compelled values us need, currently we deserve to put castle in a simple mathematical formula as below:

STEP 130 = 15% × Y

STEP 230 = 15/100× Y

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

STEP 3Y = 30 × 100/15

STEP 4Y = 30 × 100 ÷ 15

STEP 5Y = 200

Finally, we have found the worth of Y which is 200 and also that is our answer.

You can easily calculate **30 is 15 percent the what number** through using any kind of regular calculator, simply get in **30 × 100 ÷ 15** and you will get your answer which is **200**

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## Sample questions, answers, and how to

**Question:** her friend has actually a bag the marbles, and also he tells you the 15 percent of the marbles are red. If there room 30 red marbles. How many marbles walk he have actually altogether?

**Answer:** 200 marbles.

**How To:** In this problem, we understand that the Percent is 15, and also we are additionally told the the part of the marbles is red, for this reason we understand that the component is 30.

So, that method that it have to be the full that"s missing. Right here is the means to number out what the total is:

Part/Total = Percent/100

By making use of a basic algebra we have the right to re-arrange ours Percent equation like this:

Part × 100/Percent = Total

If us take the "Part" and multiply it by 100, and then we divide that by the "Percent", us will get the "Total".

Let"s try it out on our problem about the marbles, that"s very straightforward and it"s just two steps! We understand that the "Part" (red marbles) is 30.

So step one is to simply multiply that part by 100.

30 × 100 = 3000

In action two, we take the 3000 and divide the by the "Percent", i beg your pardon we are told is 15.

So, 3000 divided by 15 = 200

And that method that the total number of marbles is 200.

**Question:** A high college marching band has 30 flute players, If 15 percent that the tape members beat the flute, climate how many members are in the band?

**Answer:** There space 200 members in the band.

**How To:** The smaller sized "Part" in this difficulty is 30 since there room 30 flute players and we room told that they comprise 15 percent the the band, so the "Percent" is 15.

Again, it"s the "Total" that"s missing here, and to uncover it, we just need to monitor our 2 step procedure as the ahead problem.

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

30 × 100 = 3000

For action two, we divide that 3000 by the "Percent", i m sorry is 15.

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3000 separated by 15 amounts to 200

That method that the total number of band members is 200.

## Another action by step method

Let"s i think the unknown worth is **Y**

First creating it as: **100% / Y = 15% / 30**

Drop the portion marks to simplify your calculations: **100 / Y = 15 / 30**

Multiply both political parties by Y to move Y on the best side that the equation: **100 = ( 15 / 30 ) Y**