12.5
0.5833
A half written as a decimal is 0.5
decimal
720.5
1.5
12.5
One half percent can be written in decimal as 0.005 or just .005
One half is 1/2, which is 0.5 written as a decimal. 3 and (plus) 0.5 is 3.5. So 3 and one half is written 3.5
Eight and one half is 8.5
0.5
2 and 1/2 as a decimal is 2.5
Half a thousandth is written as 0.0005 in decimal form. A thousandth is 0.001, so half of that is 0.0005.