Question

What is expressed as a percent?

Answer 1

Percent" means "per 100" or "over 100". So, to convert 0.5 to percent we rewrite 0.5 in terms of "per 100" or over 100. Multiply 0.5 by 100/100. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number.

Answer 2

To Express one quantity as a percentage of another.