Question

the radio of girls to boys in the junior high band is 5 to 7. At the beginning of the year, there were 72 students in the band. By the end of the year, the ratio of girls to boys was 3 to 4 . I f there ara now 48 boys in the band, how many girls joined the band during rhe school year?

Answer 1

I don't really understand this question do u have a pic