The amount of water and temperature?

The same amount if heat is added to 3 beakers of water, all at an initial temperature of 25 degrees Celsius. Beaker A has a final temperature of 27.2 degrees Celsius (C), Beaker B has a final temperature of 29.7 degrees C, and Beaker C has a final temperature of 28.5 degrees C. Which beaker in the end has the most water, and how can you tell?