To find out what percent 18 is of 40, you can use the following formula:
Percentage = (Part / Whole) × 100
Here, the Part is 18 and the Whole is 40. Plugging these values into the formula:
Percentage = (18 / 40) × 100
First, divide 18 by 40:
18 ÷ 40 = 0.45
Next, multiply the result by 100 to get the percentage:
0.45 × 100 = 45%
So, 18 is 45% of 40.