25' uphill putt. Hole is 3" above current spot. Use 30' putter, hit 60% strength and ball goes 40'. Please explain that. Your designers need to get their money back from whatever school they went to because their math is horrendous!
Ok
So you hitting 28 (25 + 3) , we will say for arguement green was fast.
So why are you trying to hit it 18 feet anyway ?
If you have used 60 putter then it would go 36......so poss you may have done that.
Then the designers can sleep easy.