Mathematics · Ratio and Proportion
If a : b = 3 : 4 and b : c = 3 : 8, then 2a : 3b : 7c is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 : 18 : 112✓
- 215 : 21 : 117
- 36 : 15 : 104
- 430 : 21 : 350
Correct answer
9 : 18 : 112
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