entkay1021 entkay1021 16-09-2022 Mathematics Answered A hiker walked down from the top of a mountain. His elevation decreased at a rate of 80 feet each hour Which equation models the change in his elevation at 4 hours? a. 41-80)=320 b. O4(-80)=-320 c. O(-4)(-80)=-320 d. 4.80=320