SOLUTION: A 30 liter solution is 80% antifreeze. How much water should be added to produce a solution that is 60% antifreeze?
I want to cross multiply, but that seems to easy.
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Question 408072: A 30 liter solution is 80% antifreeze. How much water should be added to produce a solution that is 60% antifreeze?
I want to cross multiply, but that seems to easy.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
0.80*30 + 0.00*x = 0.60*(30 + x)
24 = 18 + 0.60x
6 = 0.60x
x = 10 liters of water should be added.
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