What is 70 of 30?

70 of 30 is a math problem that involves finding the percentage of one number within another number. In this case, we are trying to determine what percentage 30 is of 70.

To solve this problem, we can use the formula: (part/whole) x 100.

In this case, the part is 30 and the whole is 70. Plugging these values into the formula, we get:

(30/70) x 100 = 0.4286 x 100 = 42.86%.

Therefore, 30 is approximately 42.86% of 70.