## Step by action solution because that calculating 18 is 30 percent of what number

We already have our an initial value **18** and also the 2nd value **30**. Let"s assume the unknown worth is **Y** which answer we will uncover out.

You are watching: 18 is 30 of what number

As we have all the required values us need, currently we can put them in a simple mathematical formula as below:

STEP 118 = 30% × Y

STEP 218 = 30/100× Y

Multiplying both sides by 100 and dividing both sides of the equation by 30 we will arrive at:

STEP 3Y = 18 × 100/30

STEP 4Y = 18 × 100 ÷ 30

STEP 5Y = 60

Finally, we have found the worth of Y which is 60 and that is our answer.

You can conveniently calculate **18 is 30 percent the what number** through using any type of regular calculator, simply enter **18 × 100 ÷ 30** and also you will obtain your answer i beg your pardon is **60**

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## Sample questions, answers, and how to

**Question:** her friend has a bag of marbles, and also he speak you that 30 percent the the marbles space red. If there room 18 red marbles. How plenty of marbles walk he have altogether?

**Answer:** 60 marbles.

**How To:** In this problem, we know that the Percent is 30, and we are likewise told that the component of the marbles is red, so we understand that the component is 18.

So, that means that it need to be the complete that"s missing. Here is the means to figure out what the total is:

Part/Total = Percent/100

By making use of a simple algebra we can re-arrange ours Percent equation choose this:

Part × 100/Percent = Total

If us take the "Part" and also multiply it by 100, and also then we division that by the "Percent", we will acquire the "Total".

Let"s shot it out on our problem about the marbles, that"s very an easy and it"s simply two steps! We know that the "Part" (red marbles) is 18.

So step one is to just multiply that component by 100.

18 × 100 = 1800

In action two, us take that 1800 and divide that by the "Percent", which we space told is 30.

So, 1800 divided by 30 = 60

And that way that the total number of marbles is 60.

**Question:** A high institution marching band has actually 18 flute players, If 30 percent the the band members beat the flute, climate how countless members space in the band?

**Answer:** There space 60 members in the band.

**How To:** The smaller sized "Part" in this trouble is 18 due to the fact that there room 18 flute players and also we are told that they comprise 30 percent the the band, so the "Percent" is 30.

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

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

18 × 100 = 1800

For step two, we division that 1800 by the "Percent", which is 30.

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1800 divided by 30 equates to 60

That method that the total variety of band members is 60.

## Another step by step method

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

First creating it as: **100% / Y = 30% / 18**

Drop the percent marks to leveling your calculations: **100 / Y = 30 / 18**

Multiply both sides by Y to relocate Y ~ above the right side that the equation: **100 = ( 30 / 18 ) Y**

Simplifying the best side, us get: **100 = 30 Y**

Dividing both political parties of the equation by 30, we will arrive in ~ **60 = Y**

This pipeline us v our final answer: **18 is 30 percent the 60**

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