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If (4m + 3n)/(4m - 3n) = 7/4 Use Properties of Proportion to Find M : N - Mathematics

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Question

If `(4m + 3n)/(4m - 3n) = 7/4` use properties of proportion to find m : n

Solution

Given `(4m + 3n)/(4m - 3n) = 7/4`

Applying componendo and dividendo

`(4m + 3n + 4m - 3n)/(4m + 3n - 4m + 3n) = (7 + 4)/(7 - 4)`

`(8m)/(6n) = 11/3`

`m/n = 11/4`

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APPEARS IN

 Selina Solution for Concise Mathematics for Class 10 ICSE (2020 (Latest))
Chapter 7: Ratio and Proportion (Including Properties and Uses)
Exercise 7(D) | Q: 17.1 | Page no. 102
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If (4m + 3n)/(4m - 3n) = 7/4 Use Properties of Proportion to Find M : N Concept: Proportions.
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