Ben,
If you have 2.5 putts per round = 45 shots
18 tee shots = 18 shots
this leaves you 102 shots = 5 fairway shots per hole including par 3s
If you want to get your score down very quickly to a 28 handycapp I suggest you take a three wood, and an 8 iron down to sand wedge out only for a week or two.
Tee off with the three wood and don't hit anything longer than an 8 iron. This will help get some consistency with your shots and certainly reduce the amount of shots between tee and green.
165 shots per round "you must be fit"
Hope this helps.
Ian.
