If P : Q = 7 : 5, then what is the value of (5P - 2Q) : (3P + 2Q)?

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Accepted Answer

Given, P/Q = 7/5 ∴ (5P - 2Q) / (3P + 2Q) = (5 x 7 - 2 x 5) / (3 x 7 + 2 x 5) = (35 - 10) / (21 + 10) = 25/31

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