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6 November, 08:51

At the end of Summer, james discovers that his radiator antifreeze solution has dropped below the safe level. If the radiator contains 4 gallons of a 25% antifreeze solution, how many gallons of pure antifreeze must he add to bring it up to a desired 50% solution?

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  1. 6 November, 09:35
    He needs 8 gallons of anti freeze
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