1. 3 : 6 = 9 : n = _____________ 2. n : 3 = 12 : 9 = _____________ 3. 5 : n = 50 : 60 = _____________ 4. 6 = 18 12 = _____________ 5. 2 6 = 30 = _____________ Answer: 1. 18 2. 4 3. 6 4. ? 5. ? I cant answer number 4 and 5 because Its not clear sorry