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Question
If `(4m + 3n)/(4m - 3n) = 7/4`, use properties of proportion to find m : n
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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 = 11/3 xx 6/8`
`m/n = 11/4`
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