I. . 5x² -14 x + 8 = 0 5x² - 10x - 4x + 8 = 0 5x(x-2) - 4 (5x – 2) (x -2 ) (5x-4) x = 2, 4/5 II. 2y ² - 17y + 36 = 0 2y ² + 9y + 8y + 36 = 0 y ( y + 9) + 4( y + 9) (y + 4) (2y + 9) y = - 4, -9/2 Hence, x > y
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In a mixture of 45 litres, the ratio of wine to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
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