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3 July, 21:09

A chemical company makes two brands of antifreeze. the first brand is 30% pure antifreeze, the second brand is 55% pure antifreeze. in order to obtain 60 gallons of a mixture that contains 45% pure antifreeze, how many gallons of each brand of antifreeze must be used?

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  1. 3 July, 21:21
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    We need 100 gallons of the 45% antifreeze and 50 gallons of the 70% antifreeze
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