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A scuba diver whose 12L tank is filled with air at a pressure of 150atm at...

A scuba diver whose 12L tank is filled with air at a pressure of 150atm at a depth of 15m where the water pressure is 2.5atm. If she uses 30L of air per minute, the same pressure as the water pressure, how long can she stay at that depth? Please show work

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