at 3 o'clock, Sharon passes mile marker 295 on highway 35. at 6 o'clock she passes mile marker 475. what is the rate of change
Rate = (Final Position - Initial Position) / (Final Time - Initial Time)
Rate = (475 - 295) / (6:00 - 3:00)
Rate = 180 / 3
Rate = 60 miles per hour
