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RSB [31]
3 years ago
11

Pipe A can fill a swimming pool in 12 h.  Working with another Pipe B, it only takes 3h How long would it take Pipe B working al

one to fill the pool
Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0
My guess is 9 hours, because since pipe a takes 12 hours and with pipe b it takes 9, it's 12-9=3 I think.
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