A 21 pound turkey was cooked for a small banquet the caterer figures he would discard 5 pounds of Bones and that each person will eat 0.8 pounds of the remaining turkey how many people did will the turkey serve

First how much turkey - 21 lbs or pounds.

21 subtract the amount of pounds discarded.-16 lbs or pounds remain.

16 divided 0.8=

Make the 0.8 a whole number. - 8

8 divided by 16 = 2

Each person will get 2 pounds of turkey.

And how many people anyways?!