Mathematics, 04.11.2020 18:00 jaibean1202

A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 45% and the third contains 90%. He wants to use all three solutions to obtain a mixture of 45 liters containing 65% acid, using 2 times as much of the 90% solution as the 45% solution. How many liters of each solution should be used?

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A chemist has three different acid solutions. The first acid solution contains 25% acid, the second...