Base on your request, it is still short of some information.
For score below 55, will it be 0 points or 5 points? For score above of 98, will it be 20 points or higher?
Below is the formula I used.
Formula:
=IF($B1-54<=0,0,ROUNDUP(($B1-54)/11,0)*5)
Attached is your file.
Bookmarks