If a tank holds 3000 gallons of water, which drains from the bottom of the tank in 40 minutes, then Torricell's Law gives the volume V cf water remaining in the tank after t minutes as V = 3000(1- ) osIS 40. Find the rate at which the water is draining out of the tank after. (a) 5 min (b) 20 min (c) 40 min (a) E galimin (b) E gal/min (c) III galmin

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