figuring yardage

[naisha_grace]

Why are American Golfers, who are unfamiliar with the metric system, advised to add about 10% to the given distances to figure yardage when playing in Europe?

 

[Gene]

Units again.
39.39 inches per meter
36 inches per yard

inches        
------
meter         yards
_________ =  ------
inches        meter
-------
yard

Look at that number for the answer

 

[tkhunny]

Why are American Golfers, who are unfamiliar with the metric system, advised to add about 10% to the given distances to figure yardage when playing in Europe?

How do you know American Golfers are unfamiliar with the Metric System? I think it an unreasonable premise. Maybe without the commas it would be reasonable.