Half on anything is 50 percent.
Four and one half is 450%
One half of something is 50 percent (50%).
1 half in decimal form = 0.5
a whole
1half+1half 3quarters+1quarter
1/2 x 1/3 = 1/6
6.7, or six and seven tenths.
150% or one and a half time 1/2 = 1 1/2 x 1/2 = 3/4
4
179
3