Mathematics · Ratio and Proportion
If a : b = 2 : 4, b : c = 3 : 5, and c : d = 4 : 7, then find a : b : c : d.
- 16 : 12 : 20 : 35✓
- 24 : 10 : 15 : 35
- 37 : 11 : 18 : 30
- 45 : 13 : 22 : 35
Correct answer
6 : 12 : 20 : 35
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