Mathematics, 20.02.2020 20:30, efjdjskd

The owner of Dennis's garage wants to fill a 55 gallon drum with a 20% winter mixture of antifreeze for his customers. Denis wants to mix 100% antifreeze with a 10% antifreeze mix to get a 20% mixture. How many gallons of 100% antifreeze and 10% antifreeze does he need in order to fill the drum

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The owner of Dennis's garage wants to fill a 55 gallon drum with a 20% winter mixture of antifreeze...