Mathematics, 28.06.2019 15:00 megamorph

The ratio rock music to total cds that ella owens is 15/40. 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 ours collection how many cds do they own ? explain ?

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The ratio rock music to total cds that ella owens is 15/40. paolo has 50 rock music cds the ratio of...