Question
If A:B:C = 3:5:7, then find the ratio of (3A + C) : (4B
- 0.5C)Solution
ATQ, Let 'A' = '3k', 'B' = '5k' and 'C' = '7k' Required ratio = (3 × 3k + 7k) : (4 × 5k - 0.5 × 7k) = (9k + 7k) : (20k - 3.5k) = 16k : 16.5k = 32 : 33
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