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Question
If u = `(x - 20)/5` and v = `(y - 30)/4`, then byx = ______
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Solution
`4/5` bvu
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Mean of y = 28
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a. r = `square`
b. When x = 50,
`y - square = square (50 - square)`
∴ y = `square`
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`x - square = square (25 - square)`
∴ x = `square`
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