What is 30 is what percent of 80?

To find what percent 30 is of 80, you can set up a proportion:

30 is what percent of 80?

30 = x% of 80

To solve for x, you can cross multiply:

30 * 100 = x * 80

3000 = 80x

Divide both sides by 80 to solve for x:

x = 3000 / 80 x = 37.5

Therefore, 30 is 37.5% of 80.