Billy wrote this equation to represent the total number of apples he had in two baskets.

25 = 12 + a

which situation could be described by this equation?

a.
billy knows he has 25 apples in one basket. he knows he has 12 apples in the other basket. he does not know how many apples he has altogether.

b.
billy knows he has a total of 25 apples. he knows he has 12 apples in one basket. he does not know how many apples he has in the other basket.

c.
billy knows he has a total of 25 apples. he knows he has 12 apples in one basket. he does not know how many more apples he has in the first basket compared to the second basket.

d.
billy knows he has 25 apples in one basket. he knows he has 12 fewer apples in the other basket. he does not know how many apples he has altogether.
question