Step by action solution for calculating 18 is 30 percent that what number

We currently have our very first value 18 and also the second value 30. Let"s i think the unknown worth is Y i beg your pardon answer us will uncover out.

You are watching: 18 is 30 percent of what number

As we have actually all the required values we need, currently we deserve to put castle in a basic mathematical formula as below:

STEP 1 18 = 30% × Y

STEP 2 18 = 30/100× Y

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

STEP 3 Y = 18 × 100/30

STEP 4 Y = 18 × 100 ÷ 30

STEP 5 Y = 60

Finally, we have discovered the value of Y which is 60 and also that is ours 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 gain your answer i m sorry is 60

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Sample questions, answers, and also how to

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

Answer: 60 marbles.

How To: In this problem, we understand that the Percent is 30, and we are also told the the component of the marbles is red, for this reason we understand that the component is 18.

So, that way that it need to be the full that"s missing. Below is the way to figure out what the full is:

Part/Total = Percent/100

By using a straightforward algebra we deserve to re-arrange ours Percent equation choose this:

Part × 100/Percent = Total

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

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

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

18 × 100 = 1800

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

So, 1800 separated by 30 = 60

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

Question: A high institution marching band has 18 flute players, If 30 percent that the band members beat the flute, then how numerous members space in the band?

Answer: There are 60 members in the band.

How To: The smaller sized "Part" in this problem is 18 because there space 18 flute players and we are told the they comprise 30 percent the the band, so the "Percent" is 30.

Again, it"s the "Total" that"s absent here, and to find it, we just need to follow our 2 action procedure as the previous problem.

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

18 × 100 = 1800

For action two, we divide that 1800 through the "Percent", which is 30.

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1800 divided by 30 equates to 60

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

Have time and want to discover the calculation?

Let"s assume the unknown value is Y

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

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

Multiply both political parties by Y to relocate Y on the ideal side that the equation: 100 = ( 30 / 18 ) Y