**Math formula** – The material that will be discussed this time is included in light mathematics material and is not too difficult. This time I will only discuss materials regarding **how to calculate percentage or profit**. Usually this calculation is used in buying and selling transactions or trading. From this we can see that mathematics has an important role in the lives and activities we do every day. Let’s just take a look at the discussion below:

Source: Google Images |

### **Example questions on how to calculate the profit percentage**

The main purpose of calculating the profit percentage is to find out the profit and loss of a business. A business is declared profitable if the selling price is greater than the purchase price. So simply the profit and loss formula can be described as:

**Profit = selling price > purchase price**

If the selling price is lower than the purchase price, it is certain that the business has suffered a loss.

#### **The formula for choosing profit**

To find out the amount of profit, it is enough to use the formula:

**Selling price – purchase price**

Take a look at the following example questions to better understand it:

Mr. Amir bought a sack of rice for Rp. 100,000 then Mr. Amir sells it back at a price of Rp.120,000. So:

A. Did Mr. Amir experience any profit or loss?

B. What is the amount of profit and the percentage of profit achieved by Mr. Amir?

To answer the question in point a, we can use the profit and loss formula above.

**Profit = selling price > purchase price**

Let’s see, the purchase price of rice = Rp. 100,000

Selling price of rice = Rp.120,000

So it can be stated that Mr. Amir has benefited.

To calculate the amount of profit used the formula:

**Selling price – purchase price**

**120,000 – 100,000 = 20,000**

Then the amount of profit that Mr. Amir achieved is

**Rp.20,000** Then to calculate the percentage of profit, the formula is used:

**Profit percentage = profit : purchase price x 100%**

**20,000 : 100,000 x 100%**

Then the percentage of profit earned by Mr. Amir is 20%.

#### **Important to remember:**

Enough material about

**how to calculate percentage (%) of profit**which I can explain. Hopefully it can be useful for you in choosing the pros and cons of a business.Someone who has an aloof personality, without knowing the outside world only through the online world.

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