If x % of (x+y/2) = 2x then what is the value of y ?
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x% of (x + y/2) = 2x
→ x/100 × (x + y/2) = 2x
→ x(x + y)/ 200 = 2x
→ x² + xy/200 = 2x
→ x² + xy = 2x × 200
→ x² + xy = 400x
→ xy = 400x - x²
→ xy = x(400 - x)
→ y = x(400 - x)/x
→ y = 400 - x
Value of y = (400 - x)
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