Mathematics · Ratio and Proportion
If A : B = 13 : 49, B : C = 56 : 712, and C : D = 27 : 514, then A : B : C : D is:
- 140 : 28 : 35 : 30
- 230 : 40 : 28 : 35✓
- 328 : 30 : 40 : 35
- 435 : 30 : 28 : 40
Correct answer
30 : 40 : 28 : 35
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