For any number y, y* is defined as the greatest positive even integer less than or equal to y. What is the value of 5.0– 5.0*?  Pick one:  A) 0.2  B) 1.2  C) 1.8  D) 2.2  E) 1.0

Rationale: "since y * is defined as the greatest positive even integer less than or equal to y , then 5.0 * = 4 ( the greatest positive even integer less than or equal to 5.0 is 4 ) . hence , 5.0 – 5.0 * = 5.0 - 4 = 1.0 answer : e ."
Answer: E