Question: A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 30% and the third contains 75%. He wants

A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 30% and the third contains 75%. He wants to use all three solutions to obtain a mixture of 270 liters containing 25% acid, using 2 times as much of the 75% solution as the 30% solution. How many liters of each solution should be used? The chemist should use ______ liters of 15% solution, ______ liters of 30% solution, and ______ liters of 75% solution.

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