45 x ? = 45% of 900 Select the correct option.
A) 16.2
B) 4
C) 5
D) 9
E) 11

Rationale: "answer let 45 x a = ( 25 x 900 ) / 100 ∴ a = ( 45 x 9 ) / 45 = 9 correct option : d"
Answer: D