Question

Write 0.5 in words.?write 0.5 in words? Write 0.5 in words?

Answer 1

Half

Explanation:

Any time that you see .5 it means it is half. EX. 2.5 means 2 and a half!

Answer 2

Here are 3 possible answers that all work:
one half
five tenths
I would stick to the 2 answers listed above, but this also works:
fifty percent