When three pumps, A, B and C, are running together, they can pump 3500 gal per hour. When only A and B are running, 2000 gal per hour can be pumped. When only A and C are running, 2200 gal per hour can be pumped. What is the pumping capacity of each pump? The pumping capacity of pump A is The pumping capacity of pump B is The pumping capacity of pump C is gal per hour. gal per hour. gal per hour.