Answer:
A.Replace ''the difference with subtraction
B.Replace''the number of serving '' with a variable x.
C.Replace ''four'' with 4.
Step-by-step explanation:
We are given that a phrase''The difference in the number of serving and four''.
We have to find the steps can be used to translate the given phrase.
Let x be the number of serving.
Difference replace by subtraction.
Four replace by 4.
Difference of number of serving and four=
Hence, the expression is given by

Therefore, option A, B and C are true.
A.Replace ''the difference with subtraction
B.Replace''the number of serving '' with a variable x.
C.Replace ''four'' with 4.