Logan sleds down a hill that has a height of 150 feet above the ground and ends at ground level. The speed at which Logan approaches the ground while sledding is 5.5 feet per second.



Part A

Complete the equation that describes the relationship between Logan's height above the ground
�
y in feet and the time Logan sleds
�
x in seconds. Enter your answer in slope-intercept form.



�
=
y=




Part B

How many seconds does it take Logan to reach the ground? Round your answer to the nearest tenth of a second.




seconds