at 3:30pm kendra was 475 miles from home. At 7:00pm she was 258 miles from home Find rate of change in kendra's distance from home .... show work

Answer 1

In 3.5 hours she changed distance by 217 miles.

rate of change is (258-475)/3.5 = -217/3.5 = -62mph

negative because she's getting closer to home; distance is decreasing.