Which sentencing practice gives the offender a fixed term that may be reduced by good time or gain time?

The answer to this question is determinate
In determinate sentencing practice, the amount of years that imposed to the convicted could not be influenced by parole or other agencies.
But, the amount of years could be reduced if the convicted displayed Good behavior or have to sign up for work-related release.

3.0

Step-by-step explanation:

If the ratio is boys to girls, in fraction form (ratio form) that's

When we set up the ratio using the numbers, we have to keep the boy stuff with the boy stuff on top, and the girl stuff with the girl stuff on bottom.  So the ratio with the given numbers is

Reducing that down to decimal form, since 12 is divisible by 4 evenly, would be 3.0