Find the missing figures: 0.3% of ? = 0.15 Choose the correct choice from the following answers:	A) 50	B) 45	C) 150	D) 450	E) 500

Rationale: let 0.3 % of x = 0.15 . then , 0.30 * x / 100 = 0.15 x = [ ( 0.15 * 100 ) / 0.3 ] = 50 . answer is a .
Answer: A