SOLUTION: how many gallons of 20% antifreeze should be mixed with 10 gallons of 10% antifreeze to obtain a 65% antifreeze mixed

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Question 755877: how many gallons of 20% antifreeze should be mixed with 10 gallons of 10% antifreeze to obtain a 65% antifreeze mixed
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how many gallons of 20% antifreeze should be mixed with 10 gallons of 10% antifreeze to obtain a 65% antifreeze mixed
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Any mix of 20% and 10% will give something between 10 & 20.
You can't get 65% from it.