I dont understand the logic, please explain how the answer is E
If 4/[5-(a/b)] = 1, which of the following must be true?
a. a=0
b. b=0
c. a=1
d. b=1
e. a=b
If 4/[5-(a/b)] = 1, which of the following must be true?
a. a=0
b. b=0
c. a=1
d. b=1
e. a=b












