To find out what percent 28 is of 42, you can use the formula:
Percentage = (Part / Whole) * 100
In this case, the Part is 28 and the Whole is 42. Plugging these values into the formula gives:
Percentage = (28 / 42) * 100
Now, perform the division:
28 / 42 = 0.6667
Then, multiply by 100 to convert the decimal to a percentage:
0.6667 * 100 = 66.67
Therefore, 28 is approximately 66.67% of 42.