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Start learning 50% faster. Sign in nowx% of 600 + {1440 ÷ x of 16} × 8 = 156
Or, 6x + 720/x = 156
Or, x2 – 26x + 120 = 0
Or, x2 – 20x – 6x + 120 = 0
Or, x(x – 20) – 6(x – 20) = 0
Or, (x – 6)(x – 20) = 0
Or, x = 6 or x = 20
If X = 75% of Y and Y = 125% of Z, then find the ratio of X to that of Z.
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