SOLUTION: when 2 litres of 30 % of acid solution is mixed with 3 litres of 40% percentage acid solution what percent of the resulting solution is acid?

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Question 1125146: when 2 litres of 30 % of acid solution is mixed with 3 litres of 40% percentage acid solution what percent of the resulting solution is acid?
Answer by ikleyn(52776) About Me  (Show Source):
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The percent of acid in resulting solution will be


    %28%280.3%2A2+%2B+0.4%2A3%29%2F%282%2B3%29%29%2A100 = 36%.