SOLUTION: Doctors use intravenous (IV) drips to deliver fluids and medications to patients. Suppose an IV drip starts with 1,000 mL of saline and dispenses fluid at a rate of 2.5 mL per minu

Question 1130521: Doctors use intravenous (IV) drips to deliver fluids and medications to patients. Suppose an IV drip starts with 1,000 mL of saline and dispenses fluid at a rate of 2.5 mL per minute.
Write an equation for this situation using F to represent the amount of fluid (saline solution) left in the IV drip in milliliters and t to represent the time in minutes.
How long will it take to use all of the saline solution? Give your answer in hours, example 63 minutes would be 1 hour and 3 minutes.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
F=1000-2.5t, t is time.
F=0 here, so 1000-2.5t =0
2.5t=1000
t=400 minutes or 6 2/3 hours.
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