Which number produces a rational number when added to 0.5?

Question

I need help fast

Answer 1

Any rational number added to 0.5 produces another rational number. Are you sure you mean rational number?

Answer 2

Let, the number be x

Therefore, x +0.5= p/q where q is non zero and (p, q) co-prime.

Then, x= -0.5 + (p/q)

now you can substitute any value of p and q to get x.

Answer 3

Which number produces a rational number when added to 0.5