Rob also compared the Empire State Building and the Petronas
Towers. What is the height difference between the two if the Empire
State Building is 435m tall and the Petronas Towers is 458m tall?	Choose the correct choice from the following answers:	A) 9	B) 17	C) 23	D) 45	E) 12

Rationale: 458 - 435 = 23 . answer is c .
Answer: C