The minimum possible weight is 161.5 lb; the maximum possible weight is 162.4 lb.
Work Step by Step
161.4 lb rounds down to 161 lb; wheres 161.5 lb rounds up to 162 lb. So 161.4 lb is the lowest possible patient's weight. On the higher end, 162.4 lb rounds to 162 lb, but 162.5 lb would round up to 163 lb