SOLUTION: A tank can be filled in 18 hours by Pipe A or 24 hours by Pipe B. How long would it take both pipes to fill the tank? _____hours ----------- ----------- ----------- ----------- -

Question 40723: A tank can be filled in 18 hours by Pipe A or 24 hours by Pipe B. How long would it take both pipes to fill the tank?
_____hours
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It takes Sarah 8 hours to fill a Widget. Jerry can do the same job in 12 hours. How long would it take them to assemble a Widget if they worked together?
_______hours.
Thanks
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
(24*18)/(24+18)=432/42 OR 10.3 HOURS
(8*12)/(8+12) OR 96/20=4.8
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