If 9/(5 + 3/x) = 1, then x =	Choose the correct answer
A) 3 B) 1 C) 3 / 4 D) - 1 / 3 E) - 3

Rationale: the expression 9 / ( 5 + 3 / x ) = 1 should have been equal to something . if 9 / ( 5 + 3 / x ) = 1 = > 9 x / ( 5 x + 3 ) = 1 = > 9 x = 5 x + 3 = > 4 x = 3 = > x = 3 / 4 correct option : c
Answer: C