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If (3x-4) : (2x+5) is the Duplicate Ratio of 3 : 4> Find X. - ICSE Class 10 - Mathematics

Question

If (3x-4) : (2x+5) is the duplicate ratio of 3 : 4 , find x.

Solution

(3x-4)/(2x+5) = (3)^2/(4)^2

⇒ (3x-4)/(2x+5) = (3) = 9/16

⇒ 48x - 64 - 18x +  45

⇒ 30 x - 109

⇒ x = 109/30

x = 109/30

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Frank Solution for Frank Class 10 Mathematics Part 2 (2016 to Current)
Chapter 9: Ratio and Proportion
Exercise 9.1 | Q: 21

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Solution If (3x-4) : (2x+5) is the Duplicate Ratio of 3 : 4> Find X. Concept: Ratio and Proportion Example.
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