see
http://www.jiskha.com/display.cgi?id=1392932194
(Can someone please help me with this question?)
When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be pumped. What is the pumping capacity of each pump?
What is the pumping capacity of A___Gal per hour?
What is the pumping capacity of B___Gal per hour?
What is the pumping capacity of C___Gal per hour?
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1 answer