Answer:
Rational.
Step-by-step explanation:
We are asked to determine the type of number 0.5.
We can see that our given number is a decimal.
We can also see that our given number is a terminating decimal, so we can represent it as a fraction.
[tex]0.5\times \frac{10}{10}=\frac{5}{10}=\frac{1}{2}[/tex]
Therefor, our given number is a rational number as we can represent it as a fraction.