You have a solution of water, salt and sugar consisting of 75% water, 15% salt and 10% sugar by weight. Assume that the solution weighs a total of 100 ounces. You now start adding sugar without changing the amount of water or salt. The number of ounces of sugar you need to add to bring the concentration of sugar up to 20% is: a) 1 b) 2 d) c) 2 e) W IN NIW 25 N

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