Mathematics · Ratio and Proportion
If a : b = 7 : 5, find the value of the ratio (8a + 4b) : (8a − 4b).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 : 1
- 217 : 4
- 311 : 1
- 419 : 9✓
Correct answer
19 : 9
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