The two insulated beakers shown contain equal amounts of identical liquids. The temperature of Beaker A is 85°C. The temperature of Beaker B is 40°C. A metal rod connects the beakers. Five minutes later, the temperature of Beaker A is 75°C and the temperature of Beaker B is 50°C. What might the temperatures be after another five minutes have passed?
1) Temp. of Beaker A - 64°C. Temp. of Beaker B - 61°C
2) Temp. of Beaker A - 68°C. Temp. of Beaker B - 57°C
3) Temp. of Beaker A - 68°C. Temp. of Beaker B - 48°C
4) Temp. of Beaker A - 68°C. Temp. of Beaker B - 53°C