Question

when draining her hot tub, the height of the water in Brittany's hot tub decreases at a rate of 2 inches per minute. After 9 minutes there are 11 inches of water in the tub. Assume that the height is decreasing at a constant rate. After how many minutes will the tub be empty

Answer 1

--------------------------------------------->>>>>>>

Explanation:

h-11=-2(t-9)

h=-2t+18+11

h=-2t+29

Answer 2

after 5.5 or 5 1/2 minutes the tube will be empty.

Hope this helps:)