# Hard SAT Math Question 29 — Video Explanation | 1600.now

Source: https://1600.now/hard/29

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29

Mixture C, consisting of both solutions A and B in their entirety, contains exactly $30\%$ isopropyl alcohol. Solution A contains $14$ ml of $20\%$ isopropyl alcohol. If Solution B contains $p$ ml of $90\%$ isopropyl alcohol, where $p$ is a constant, what is the value of $p$?