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If 5x + 6y: 8x + 5y = 8: 9, Find X: Y. - Mathematics

Sum

If 5x + 6y: 8x + 5y = 8: 9, find x: y.

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Solution

`(5x + 6y)(8x + 5y) = 8/9`

45x + 54y= 64x = 40y

64x - 45x = 54y - 40y

19x = 14y

`x/y = 14/19`

Concept: Concept of Ratio
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Chapter 7: Ratio and Proportion (Including Properties and Uses) - Exercise 7 (D) [Page 102]
Q 2
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Selina Concise Maths Class 10 ICSE
Chapter 7 Ratio and Proportion (Including Properties and Uses)
Exercise 7 (D) | Q 2 | Page 102
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