SOLUTION: how many gallows of 40% antifreeze must be mixed wth 50 gallons of a 70% solution to get a mixture which is 50% antifreeze.

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Question 697005: how many gallows of 40% antifreeze must be mixed wth 50 gallons of a 70% solution to get a mixture which is 50% antifreeze.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how many gallows of 40% antifreeze must be mixed wth 50 gallons of a 70% solution to get a mixture which is 50% antifreeze.
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g = gallons of 40%
50*70 + g*40 = (50+g)*50
Solve for g