[求助]若问一道数学

陈向东里的一道题；

at 9am, a hiker was due south of point p, wht direction was point p from her position at noon/

1.from 9am until 11am, she walked due east at 2 miles per hour, and from 11am until noon, she walked due north at 3 mile per hour,

2, at noon, she is exactly 4.5 miles from point p

我觉得是选c，答案是e。