You write it as 3.5 cents.
50 and a half cents as a decimal is 0.505
To write half of 1 cent, you would express it as 0.005 cents. This is because half of 1 cent is equivalent to 0.5 cents, which can be further simplified to 0.005 cents to represent half of a cent.
i penny is 1 out of 100 cents, therefore it is .01
29 1/2 cents.
You write it as 3.5 cents.
50 and a half cents as a decimal is 0.505
i penny is 1 out of 100 cents, therefore it is .01
29 1/2 cents.
55.5 cents.
One and a half cents in decimals is 0.015
.05.5
55.5 cents or $.555
Five and one half cents in decimals is 0.055
0.025
$0.235
$0.045