Angelina has 5 cakes. she wants to cut then inti 2/5 pieces. how many pieces will she be able to cut

So pretty much you can get 2 pieces out of each cake with 1/2 left over. Now do this, 2+2+2+2+2=10 now take that 1/2 and do this. 5+.5+.5+.5+.5 = 2.5 now add that to the 10 and that is your answer