What is 30 percent of 40? (30% of 40)

What is 30 percent of 40?

Here we will show you how to calculate 30 percent of 40 (30% of 40). We start by making an equation. 30 percent of 40 is the same as 30 per hundred of 40. We can therefore make the following equation:

30/100 = A/40

To solve the equation above for A (Amount), we first switch the sides to get the A on the left side. Then, we multiply each side by 40. Finally, we divide the numerator by the denominator on the right side to get the answer. Here is the work to illustrate:

30/100 = A/40
A/40 = 30/100
A×40/40 = 30×40/100
A = 1200/100
A = 12

The work above shows the long way to explain how to calculate 30 percent of 40. This gives you a foundation and a better understanding of how to calculate percentages. However, in the future, you could use this simplified formula:

(B × P)/100

In our problem, "What is 30 percent of 40?", B (Base) is 40 and P (Percent) is 30:

(40 × 30)/100 = 12

In summary, the answer to "What is 30 percent of 40?" is as follows:

12

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