Aye ya'll join my zoom we turnin up over here we need more ppl the stuff is Meeting ID 964-3714-2896
Password 78U90a

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31. all the following are effective ways of preparing for an interview except practicing in front on a mirror writing down answers to possible questions holding a mock interview with a friend memorizing interview questions and answers

Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.