# SOLUTION: Word Problem: A certain metal is 40% tin. How many kilograms of this metal must be mixed with 50kg of metal that is 60% tin to get a metal that is 50% tin? Please include the so

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 Question 205475: Word Problem: A certain metal is 40% tin. How many kilograms of this metal must be mixed with 50kg of metal that is 60% tin to get a metal that is 50% tin? Please include the solution. Thank you very muchAnswer by ankor@dixie-net.com(15628)   (Show Source): You can put this solution on YOUR website!A certain metal is 40% tin. How many kilograms of this metal must be mixed with 50kg of metal that is 60% tin to get a metal that is 50% tin? : Let x = amt of 40% time required to do this : A typical mixture equation: .40x + .60(50) = .50(x+50) : .4x + 30 = .5x + 25 : 30 - 25 = .5x - .4x : 5 = .1x x = x = 50 kg of 40% tin ; : Check solution in original equation .40(50) + .60(50) = .50(50+50)