Mrs. hicks has 35 students in her chemistry class. the ratio of girls to boys is 3: 4. how many girls does she have in her class? let both antecedents represent girls and let both consequence represent total students.

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.