Seudónimo Seudónimo 17-02-2017 Mathematics contestada Enrollment at Roosevelt Middle School is being reviewed by the school staff. The table gives the numbers of boys and girls in grades 6 to 9. Grade Girls Boys 6 9 12 7 12 18 8 15 20 9 25 36 In which two grades is the relationship between the numbers of girls and boys proportional?
