SOLUTION: An automobile radar contains 12L of a mixture of water and antifreeze. The mixture is now 20% antifreeze. How much of the mixture must be drawn off and replaced by pure antifreeze
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Question 1048924: An automobile radar contains 12L of a mixture of water and antifreeze. The mixture is now 20% antifreeze. How much of the mixture must be drawn off and replaced by pure antifreeze to get a mixture containing 30% antifreeze? Found 2 solutions by josgarithmetic, ikleyn:Answer by josgarithmetic(39617) (Show Source):
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An automobile radiator contains 12L of a mixture of water and antifreeze. The mixture is now 20% antifreeze.
How much of the mixture must be drained off and replaced by pure antifreeze to get a mixture containing 30% antifreeze?
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