SOLUTION: Nine pumps can empty a tank in 12 hours how long will it take 8 pumps to empty it?
Thank you,
Marcell
Algebra.Com
Question 964600: Nine pumps can empty a tank in 12 hours how long will it take 8 pumps to empty it?
Thank you,
Marcell
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Nine pumps can empty a tank in 12 hours how long will it take 8 pumps to empty it?
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The job takes 9*12 pump-hours = 108 pump-hr
108 pump-hr/8 pumps = 13.5 hours
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9*12 = 8*t
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