if you eat half a kazayis of a laffy taffy and half a kazayis of chocolate what bracha achrona do you make ?

which one is the correct image  for a bracha mein shalosh ?

if you  eat half a kazayis of a cookie and half a kazayis of challah what bracha achrona do you make ?

if neither food is borei nefashos what bracha achrona do you make ?

1/2 food 1/2 drink =

how long do you have to finish in order to say a bracha achrona?

how long do u have to finish drinking according to the alter rebbes shulchan aruch 

what does mitchila mean