Question
If 35 grams of sugar is further added to a 20 percent
sugar solution, the solution then becomes a 36 percent sugar solution. What was the initial quantity of sugar in the solution?Solution
Let the initial quantity of sugar in the solution be x grams. 
So, 1 ------- 35 => 4 ------- 35 × 4 = 140 Initial quantity of sugar in the solution = x = 20% of 140 = 28 gms
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