Mathematics, 26.09.2019 07:30 jahzz
Awinery has a vat with two pipes leading to it. the inlet pipe can fill the vat in 44 ? hours, while the outlet pipe can empty it in 77 hours. how long will it take to fill the vat if both pipes are left? open?
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Awinery has a vat with two pipes leading to it. the inlet pipe can fill the vat in 44 ? hours, while...
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