My first impulse was to reply, "by rounding up," in otherwords, 8.25 becomes 9.
But, your solution might be better--go to 23andMe, and decide how many magic black drops of blood each player has, and apply them against the team quota.
That could set a pilot for the projected US reparations. If you're "all" black, you get so many dollars. If you're half black, you get a little, if you're as black as Lizzy Warren is Cherokee, you pay, pay, and pay. No more box checking.
But you only have to score 20% in mathematics. Perhaps rounding is too complex.