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Workmen drill two drain holes, hole X and hole Y, into a barrel of coolant. If coolant flows from both holes at constant rates, how long will it take for the barrel to completely empty?
Statement (1): Coolant flows from the 40-liter tank through hole X at a rate of 2.5 liters per hour.
Statement (2): Coolant flows from hole Y twice as fast as from hole X, at a rate that will completely empty the barrel in 8 hours alone.
OA B
Source: Veritas Prep
Statement (1): Coolant flows from the 40-liter tank through hole X at a rate of 2.5 liters per hour.
Statement (2): Coolant flows from hole Y twice as fast as from hole X, at a rate that will completely empty the barrel in 8 hours alone.
OA B
Source: Veritas Prep
