## Step by step solution for calculating 9 is 45 percent the what number

We currently have our an initial value **9** and also the 2nd value **45**. Let"s assume the unknown value is **Y** i m sorry answer we will find out.

You are watching: 45% of what number is 9?

As we have all the forced values us need, currently we have the right to put them in a an easy mathematical formula together below:

STEP 19 = 45% × Y

STEP 29 = 45/100× Y

Multiplying both sides by 100 and dividing both political parties of the equation by 45 we will arrive at:

STEP 3Y = 9 × 100/45

STEP 4Y = 9 × 100 ÷ 45

STEP 5Y = 20

Finally, we have discovered the value of Y i m sorry is 20 and also that is our answer.

You can quickly calculate **9 is 45 percent that what number** by using any kind of regular calculator, simply go into **9 × 100 ÷ 45** and you will gain your answer i m sorry is **20**

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## Sample questions, answers, and also how to

**Question:** her friend has a bag that marbles, and he tells you that 45 percent that the marbles space red. If there space 9 red marbles. How numerous marbles does he have actually altogether?

**Answer:** 20 marbles.

**How To:** In this problem, we know that the Percent is 45, and also we are also told the the part of the marbles is red, so we know that the component is 9.

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

Part/Total = Percent/100

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

Part × 100/Percent = Total

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

Let"s try it the end on our problem around the marbles, that"s very straightforward and it"s just two steps! We recognize that the "Part" (red marbles) is 9.

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

9 × 100 = 900

In step two, us take that 900 and also divide the by the "Percent", i beg your pardon we room told is 45.

So, 900 separated by 45 = 20

And that means that the total number of marbles is 20.

**Question:** A high institution marching band has 9 flute players, If 45 percent the the band members beat the flute, then how numerous members room in the band?

**Answer:** There space 20 members in the band.

**How To:** The smaller sized "Part" in this problem is 9 due to the fact that there are 9 flute players and also we space told the they comprise 45 percent of the band, so the "Percent" is 45.

Again, it"s the "Total" that"s missing here, and to find it, we simply need to follow our 2 step procedure together the vault problem.

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

9 × 100 = 900

For action two, we division that 900 through the "Percent", i m sorry is 45.

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900 split by 45 equals 20

That way that the total number of band members is 20.

## Another step by step method

**Step 1:** Let"s assume the unknown worth is **Y**

**Step 2:** an initial writing the as: **100% / Y = 45% / 9**

**Step 3:** autumn the percent marks to leveling your calculations: **100 / Y = 45 / 9**

**Step 4:** main point both political parties by Y to move Y ~ above the ideal side of the equation: **100 = ( 45 / 9 ) Y**

**Step 5:** simple the ideal side, us get: **100 = 45 Y**

**Step 6:** separating both sides of the equation through 45, we will arrive at **20 = Y**

This leaves us v our last answer: **9 is 45 percent of 20**

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