It depends on what you are rounding to: the nearest half, nearest thousand or whatever.
So if you had 3.44 then you would round to 3.50.
4.5 already is rounded to the nearest half.
0.74 would round down to 0.50, 0.75 rounds up. 39.75 to the nearest half dollar is 40.00
Since 0.60 is over half of 1 you round it up. 7.60 rounded to the nearest cent is 8.00 cents.
round 38.25 to the nearest half inch
To the nearest half, one half
1,500,000 is already rounded to the nearest half-million.
4/5 to the nearest half is 1.
53
6.5
It is 2.5