The resistance of a core (2 cm in diameter and 5 cm long) is measured to be 600 ohms. The porosity of the core is known to be 0.2 and the resistivity of the brine is 0.01 ohm.m. What is the water...

The resistance of a core (2 cm in diameter and 5 cm long) is measured to be 600 ohms.

The porosity of the core is known to be 0.2 and the resistivity of the brine is 0.01 ohm.m.

What is the water saturation in the core? Express the answer as a number between 0 and 1.