Most fun question in the WORLD!

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toi need a 15% acid solution for a certain test, but your supplier only ships a 10% solution and a 30% solution. Rather than pay the hefty surcharge to have the supplier make a 15% solution, toi decide to mix 10% solution with 30% solution, to make your own 15% solution. toi need 10 liters of the 15% acid solution. How many liters of 10% solution and 30% solution should toi use?











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