SOLUTION: How many gallons of 20% antifreeze should be mixed with 10 gallons of 92% antifreeze to obtain a 65% antifreeze mixture?

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Question 1004563: How many gallons of 20% antifreeze should be mixed with 10 gallons of 92% antifreeze to obtain a 65% antifreeze mixture?
Answer by Alan3354(69443) About Me  (Show Source):
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How many gallons of 20% antifreeze should be mixed with 10 gallons of 92% antifreeze to obtain a 65% antifreeze mixture?
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Add G gallons.
10*92 + G*20 = (10+G)*65