Kaitlin buys 9/10 pound of orange slices. she eats 1/3 of them and divides the rest equaly into 3 bags. how much is in each bag

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais