Eddie orders a pizza in each person gets 3/5 first you divided 3/5 you get 6 then you divide 8 by you you won't get a whole number the answer will be like = 13.333.
examples would look like this.
(3/5)*x=8
(8*5/3)= x
your answer is 13 people are at the party.
also they would be 1.5 slices of pizza left over.