A manometer using oil (density 0.900 g/cm3) as a fluid is connected to an air tank. Suddenly the pressure in the tank increases by 7.71 mmHg. Density of mercury is 13.6 g/cm3. By how much does the fluid level rise in the side of the manometer that is open to the atmosphere? _cm

By how much does the fluid level rise in the side of the manometer that is open to the atmosphere if the manometer used mercury instead? _ cm