If abcde: f = 5 : 7, then what is the ratio (3a + 5c + 11e) / ((3b + 5d + 11f)’)
If a : b = c : d = e: f = 5 : 7, then what is the ratio $ (3a + 5c + 11e) / (3b + 5d + 11f)$ ?
Detailed Solution & Logic
Correct Answer:
5 : 7
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