The line graph below shows the volume of water present in a tank that is being filled by a hose Use the line graph to answer Part A and Part B Volume of Water in a Tank Volume of Water L 300 200 100 2 3 4 Part A How long did it take to fill the tank with 250 liters of water It took minutes to fill the tank with 250 liters of water Part B Find the difference in the volume of water in the tank between the second and the sixth minute To