An inspector rejects 10% of the meters as defective. How many will he examine to reject 10?  Choices: A) 100 B) 120 C) 250 D) 200 E) 160

Rationale: "then , 10 % of x = 10 ( 10 / 100 ) x = 10 x = ( 10 * 100 * ) / 10 = 100 answer is a"
Answer: A