It is 54.5 cents.
We write .5 or 0.5 as the decimal for one half.
It is 1.25 cents.
12 and one half as a decimal is 12.5
.5
55.5 cents.
0.025
6.5
$0.225 22.5 cents
that would be .075 in decimal form
14.5
16.5¢ or $0.165
32.5 cents, or $0.325
It is 54.5 cents.
We write .5 or 0.5 as the decimal for one half.
It is 1.25 cents.
You write it as 3.5 cents.