The line plot below represents the number of letters written to oversee penpals by students at Waverley middle school. Each X represents 10 students. How many students wrote more than six and fewer than 200 letters

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

Will gve pints stars and brainliest

Having a hard time understanding this question (see attachment).