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03.09.2020 •
Mathematics
A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 45% and the third contains 75%. He wants to use all three solutions to obtain a mixture of 156 liters containing 35% acid, using 2 times as much of the 75% solution as the 45% solution. How many liters of each solution should be used?
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Ответ:
Mujltiply 7 (2/5) = 14/5 = 2 and 4/5 pizzas (2 whole pizzas and 4/5 of another pizza.
Step-by-step explanation: