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A solution has 15% sugar. Another solution has 5% sugar. How many liters of the second solution must be added to 20 liters of the first solution to make a solution of 13% sugar?1). 4 liters2). 5 liters3). 3 liters4). 2 liters |
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Answer» Let y liters of the second SOLUTION must be added. Then, [15 × 20 + 5 × y]/(20 + y) = 13 On SOLVING, we GET y = 5 litres |
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