SOLUTION: a tank contains 15,360 L of water. At the end of each day, half of the water is removed and not replaced. How much water is left in the tank after 10 days? The answer is 15

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: a tank contains 15,360 L of water. At the end of each day, half of the water is removed and not replaced. How much water is left in the tank after 10 days? The answer is 15       Log On

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Question 130399This question is from textbook a problem solving approach to mathmatics for elementary school teachers
:
a tank contains 15,360 L of water. At the end of each day, half of the water is removed and not replaced. How much water is left in the tank after 10 days?
The answer is 15 L, but I don't know why the answer is 15 L
I have tried several different ways to work this out, and can't figure it out. Can you show me how this is worked out? This question is from textbook a problem solving approach to mathmatics for elementary school teachers

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
15,360(1-.5)^10
15,360(.5)^10
15,360*.000976562=15 ANSWER.