To make a 20% alcohol solution, a scientist adds x liters of a 60% alcohol solution to y liters of a 10% solution. What is the value of x? (1) x + y = 37.5 (2)y = 30

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To make a 20% alcohol solution, a scientist adds <em>x</em> liters of a 60% alcohol solution to <em>y</em> liters of a 10% solution. What is the value of <em>x</em>? (1) <em>x</em> + <em>y</em> = 37.5 (2)<em>y</em> = 30