Aubrey brought 2 1/2 pans of lasagna to a family dinner. During the meal, Aubrey and her family ate 75% of the lasagna. At the end of the dinner, Aubrey's brother took home 1/2 of a pan of lasagna. How much lasagna is left now?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?