A number x is 18 times another number y. The percentage that y is less than x is Choose the correct choice from the following options: A) 12.5 % B) 87.5 % C) 80 % D) 94.4 % E) 1 %

Rationale: "say y = 1 and x = 18 . then y = 1 is less than x = 18 by ( 18 - 1 ) / 18 * 100 = 17 / 18 * 100 = 94.4 % . answer : d ."
Answer: D