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

We currently have our an initial value 18 and also the 2nd value 30. Let"s assume the unknown value is Y i beg your pardon answer us will find out.

You are watching: 18 is 30 percent of what number

As we have all the compelled values we need, now we deserve to put castle in a an easy mathematical formula as below:

STEP 1 18 = 30% × Y

STEP 2 18 = 30/100× Y

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

STEP 3 Y = 18 × 100/30

STEP 4 Y = 18 × 100 ÷ 30

STEP 5 Y = 60

Finally, us have discovered the value of Y i m sorry is 60 and that is our answer.

You can quickly calculate 18 is 30 percent the what number by using any type of regular calculator, simply get in 18 × 100 ÷ 30 and also you will acquire your answer which is 60

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## Sample questions, answers, and how to

Question: your friend has actually a bag of marbles, and he speak you that 30 percent of the marbles space red. If there are 18 red marbles. How many marbles walk he have altogether?

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

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

Part/Total = Percent/100

By making use of a simple algebra we have the right to re-arrange our Percent equation like 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", us will acquire the "Total".

Let"s try it the end on ours problem around the marbles, that"s very basic and it"s just two steps! We know that the "Part" (red marbles) is 18.

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

18 × 100 = 1800

In step two, us take the 1800 and also divide it by the "Percent", i beg your pardon we room told is 30.

So, 1800 divided by 30 = 60

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

Question: A high college marching band has 18 flute players, If 30 percent of the band members beat the flute, then how many members space in the band?

Answer: There space 60 members in the band.

How To: The smaller sized "Part" in this problem is 18 because there space 18 flute players and also we room told the they consist of 30 percent of the band, for this reason the "Percent" is 30.

Again, it"s the "Total" that"s lacking here, and to find it, we just need to monitor our 2 step procedure together the vault problem.

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

18 × 100 = 1800

For step two, we divide that 1800 through the "Percent", i m sorry is 30.

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1800 divided by 30 amounts to 60

That way that the total number of band members is 60.

## Have time and want to find out the calculation?

Let"s i think the unknown value is Y

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

Drop the percentage marks to simplify your calculations: 100 / Y = 30 / 18

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