A satellite which travels around the earth has a power supply that provides power according to the formula:

P =(17200)/(t + 100)

where t is the number of days the satellite is aloft. Find the rate at which power is decreasing after 380 days.

rate in watts/day (enter as a positive number) =

Your umpteen posts have been removed.

Once you write up YOUR ATTEMPT at each problem, please re-post, and someone here will be happy to comment.