3/4 of a number is 19 less than the original number. The number is ?  Choices:
A) 84  B) 64  C) 76  D) 72  E) none

Rationale: answer let the original number be n . so from question n - 3 n / 4 = 19 ⇒ 4 n - 3 n = 76 ∴ n = 76 option : c
Answer: C