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Algebra

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The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?

  • Algebra -

    What is 505 antifreeze ??

  • Algebra -

    That is suppose to be 50% antifreeze.

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