# SOLUTION: How many liters of a 10% silver iodide solution must be mixed with 7L of a 4% silver iodide solution to get a 6% solution?

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 Click here to see ALL problems on Linear Equations And Systems Word Problems Question 414323: How many liters of a 10% silver iodide solution must be mixed with 7L of a 4% silver iodide solution to get a 6% solution?Answer by stanbon(57246)   (Show Source): You can put this solution on YOUR website!How many liters of a 10% silver iodide solution must be mixed with 7L of a 4% silver iodide solution to get a 6% solution? --------------------- Equation: silver + silver = silver 0.10x + 0.04*7 = 0.06(x+7) ---- Multiply thru by 100 to get: 10x + 4*7 = 6x + 6*7 4x = 2*7 x = 3.5L (amt. of 10% needed) ================================= Cheers, Stan H. ==========