14-10-2022
Mathematics

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5. Mitchell works in a lab. He plans to mix a 35% solution of acid with an 80% solution to make 70 mL of a 50% solution. Let x represent the number of millilitres of 35% solution. Use the equation 0.35x+0.8(70-x) = 0.5(70) to find the volume of each type of acid used in the mixture.

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