Calculate the Specific Percentage: What is 40% of 70?

Question

Calculate 40% of 70:

Video Solution

Solution Steps

00:00 Calculate 40% of 70
00:03 Use the formula to convert a percentage into a fraction
00:07 This fraction is equal to 40%
00:16 Multiply this fraction by the number itself in order to determine the percentage
00:25 Factor and reduce wherever possible
00:32 Here is the solution

Step-by-Step Solution

To solve this problem, we will follow these steps:

  • Step 1: Convert the percentage to a decimal.
  • Step 2: Multiply the resulting decimal by the whole number to find the desired quantity.

Now, let's work through these steps in detail:

Step 1: Convert the percentage to a decimal form.
The given percentage is 40%. As a decimal, 40% is converted by dividing by 100:
40100=0.4\frac{40}{100} = 0.4.

Step 2: Multiply the decimal by the whole number.
We now multiply the decimal 0.40.4 with the whole number 7070:
0.4×70=280.4 \times 70 = 28.

Therefore, 40% of 70 is 2828.

Answer

28