Answer:
3, 4, 5
Explanation:
Take any odd number and square it.
3²=9
Divide that number by 2.
9/2=4.5
The original number (3 in this case), as well as the numbers 0.5 above and below the new number (4.5 in this case), are your set of numbers.
3, 4, 5
Hope that helps :)