30 points and brainliest

kevin wrote this expression to describe the number of loaves of bread he still has to bake.

which situation could be described by this expression?

20-b

a.
kevin knows he baked 20 loaves. he does not know how many more he needs to bake.

b.
kevin doesn't know how many loaves he needs to bake today. he knows he has already baked 20.

c.
kevin knows he needs to bake 20 loaves. he does not know how many loaves he has already baked.

d.
kevin knows he needs to bake 20 loaves today. he doesn't know how many fewer loaves he will bake today than yesterday.