To find out what percentage 40 is of 90, you can use the following formula:
Percentage = (Part / Whole) × 100
In this case, the Part is 40 and the Whole is 90. Plugging these values into the formula:
Percentage = (40 / 90) × 100
First, divide 40 by 90:
40 ÷ 90 ≈ 0.4444
Next, multiply the result by 100 to convert it to a percentage:
0.4444 × 100 ≈ 44.44%
So, 40 is approximately 44.44% of 90.