SOLUTION: What is the equation for the depth of 10 feet but water level dropping at a rate of 1/2 inch a week?

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Question 443833: What is the equation for the depth of 10 feet but water level dropping at a rate of 1/2 inch a week?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
d = 120 - (w/2), d = depth in inches, w = # of weeks