A 5 liter mixture of water and sugar is 50% sugar. If 1 liter of water is added, approximately what is the % of the new mixture of sugar?
Correct answer: A
Explanation
Original quantity of water - 5 lits
Original % of sugar - 50 %
Additional quantity of water added - 1 liter
% of additional quantity of water added - 1/5 = 20 %
Approximate decrease in the % of sugar in new mixture - 20 %
Approximate decrease in the % sugar = 20 % of 50 % = 10 %
Approximate new % of sugar = 50 % - 10 % = 40 %
Answer - A
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