1 . If a : b = 4 : 7 and b : c = 5 : 6, then a : b : c =?
- A. 7 : 6
- B. 20 : 35 : 30
- C. 20 : 35 : 42
- D. 24 : 42 : 30
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1 . If a : b = 4 : 7 and b : c = 5 : 6, then a : b : c =?
View Answer | Discuss in Forum | Workspace | Report |