Subtracting 2% of A from A is equivalent to multiplying A by how much ?
Options:
A) 0.98  B) 9.4  C) 0.094  D) 94  E) none

Rationale: answer let a - 2 % of a = ab . ⇒ ( 98 x a ) / 100 = ab ∴ b = 0.98 correct option : a
Answer: A