A number x is 8 times another number y. The percentage that y is less than x is	Choose the correct choice.
A) 12.5 % B) 87.5 % C) 80 % D) 11 % E) 1 %

Rationale: "say y = 1 and x = 8 . then y = 1 is less than x = 8 by ( 8 - 1 ) / 8 * 100 = 7 / 8 * 100 = 87.5 % . answer : b ."
Answer: B