What is 50% of 80?

To find 50% of 80, you can think of 50% as half of the total. When you calculate half of any number, you divide it by 2.

So, for 80: [ \text{Half of 80} = \frac{80}{2} = 40 ]

This calculation shows that 40 is indeed 50% of 80. The concept of percentage is grounded in proportions, where 50% signifies half of a given value. Thus, when you take half of 80, you arrive at the correct answer, which is 40.