For a wrestler to qualify in his weight class, he needs to weigh more than 165 pounds but less than or equal to 185 pounds. He currenlty weighs 189 pounds and is losing 0.5 of a pound per week. Which models w, the number of weeks he should lose weight to be in the qualifying weight range?
A. 165 ≤ 189 – 0.5w 189 – 0.5w or 185 ≤ 189 – 0.5w
D. 165 ≥ 189 – 0.5w or 185 < 189 – 0.5w