SOLUTION: A chemist prepared 100 mL of 15% saline solution by using a 20% solution, an 18% solution, and 40 mL of a 10% solution. How much of the 20% and 18% were used? Please include an equ
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Question 704921: A chemist prepared 100 mL of 15% saline solution by using a 20% solution, an 18% solution, and 40 mL of a 10% solution. How much of the 20% and 18% were used? Please include an equation for setting this problem up if possible. Thanks! Answer by josgarithmetic(39617) (Show Source):
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