SOLUTION: How much pure antifreeze should be added to a radiator that contains 10 gallons of 20% antifreeze solution to produce a 50% antifreeze solution? [Hint: Pure antifreeze is 100% anti

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Question 368372: How much pure antifreeze should be added to a radiator that contains 10 gallons of 20% antifreeze solution to produce a 50% antifreeze solution? [Hint: Pure antifreeze is 100% antifreeze.]
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let A be the amount of 100% antifreeze.
100A%2B20%2810%29=50%28A%2B10%29
100A%2B200=50A%2B500
50A=300
highlight%28A=6%29gallons