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OpenStudy (anonymous):
Each valves A, B, and C, when open, releases water into a tank at its own constant rate. With all three valves open, the tank fills in 1 hour, with only valves A and C open it takes 2 hours, and with only valves B and C open it takes 3 hours. How long will it take to fill the tank with only valves A and B open?
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OpenStudy (anonymous):
hey
OpenStudy (anonymous):
Why not label the flow rates a, b and c for the three valves.
OpenStudy (anonymous):
wait what?
OpenStudy (anonymous):
can u show me how to do this?
OpenStudy (anonymous):
??
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OpenStudy (anonymous):
???
OpenStudy (anonymous):
hey :)
OpenStudy (anonymous):
u there
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