How to Calculate 7% of 40: A Step-by-Step Solution

Question

Calculate 7% of 40:

00:00 Calculate 7 percent of 40

00:07 In order to calculate a certain percentage, convert from percentages to fractions

00:18 For example, 7 percent is 7 divided by 100

00:28 Apply this formula to our exercise, and multiply 7 percent by 40

00:35 Place the multiplication in the numerator

00:44 Break down 40 into factors of 2 and 20

00:48 Break down 100 into factors of 20 and 5

00:51 Reduce wherever possible

01:03 This is the solution

To solve this problem, we will follow a simple process using the percentage formula.

Step 1: Identify the percentage and the quantity. Here, the percentage is 7%, and the quantity is 40.
Step 2: Apply the percentage formula: $\text{Percentage Value} = \frac{7}{100} \times 40$ .
Step 3: Calculate the result. First, compute the multiplication: $7 \times 40 = 280$ . Following that, divide by 100: $\frac{280}{100} = 2.8$ .

Therefore, the solution to the problem is $2.8$ .

2.8