48/16 is indeed close to 52/17. Just do the division and get 3 versus 3.05 and then multiply by 27 for a rough idea and you will see it is 80GI rather than 82GI.
@kerley started
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48/16 is indeed close to 52/17. Just do the division and get 3 versus 3.05 and then multiply by 27 for a rough idea and you will see it is 80GI rather than 82GI.