DeonDuc DeonDuc 22-12-2016 Mathematics contestada The ratio of rock music to total CDs that Ella owns is 25 40 . Paolo has 50 rock music CDs. The ratio of rock music to total CDs in his collection is equivalent to the ratio of rock music to total CDs in Ella’s collection. How many CDs do they own? A 120 B 130 C 65 D 80