Mathematics · Ratio and Proportion

If (7a + 2b) : (7a - 2b) = 7 : 2, then what is the value of a : b?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

120 : 21
218 : 35✓
34 : 7
415 : 14

Correct answer

18 : 35

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If (7a + 2b) : (7a - 2b) = 7 : 2, then what is the value of a : b?

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