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Question
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
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Solution
(3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27
Sub-triplicate ratio of 8 : 27 = 2 : 3
`(3x - 7)/(4x + 3) = 2/3`
9x – 21 = 8x + 6
9x – 8x = 6 + 21
x = 27
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