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If a : b = 7 : 9 and b : c = 5 : 7, then what is a : c ?
5Q:
If a : b = 7 : 9 and b : c = 5 : 7, then what is a : c ?
- 15 : 9true
- 23 : 5false
- 37 : 21false
- 47 : 15false
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