To find out what percentage 4 is of 40, you can use the following formula:
Percentage = (Part / Whole) × 100
In this case, the Part is 4 and the Whole is 40. Plugging these values into the formula:
Percentage = (4 / 40) × 100
First, divide 4 by 40:
4 ÷ 40 = 0.1
Next, multiply the result by 100 to get the percentage:
0.1 × 100 = 10%
So, 4 is 10% of 40.