Mathematics, 16.11.2019 01:31 beverly8075

25 pts and a mark a chemical company makes two brands of antifreeze. the first brand is 65 % pure antifreeze, and the second brand is 90 % pure antifreeze. in order to obtain 30 gallons of a mixture that contains 80 % pure antifreeze, how many gallons of each brand of antifreeze must be used?

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25 pts and a mark a chemical company makes two brands of antifreeze. the first brand is 65 % pure an...

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