SOLUTION: Is Nasim mixes 40mL of a 20% acid solution with 60 mL of a 35% acid solution. What percent acid is the final solution?

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Question 876506: Is Nasim mixes 40mL of a 20% acid solution with 60 mL of a 35% acid solution. What percent acid is the final solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Situations like that may require densities of the starting solutions and how the percents are to be specified. Ignoring that, you have this simple calculation:

%2840%2A20%2B60%2A35%29%2F%2840%2B60%29