Mathematics, 31.01.2021 20:30 meli82

5 gallons of water is added to 3 gallons of a 30 percent antifreeze solution. How many gallons of 90% antifreeze should be added to it to get 55 percent antifreeze?

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5 gallons of water is added to 3 gallons of a 30 percent antifreeze solution. How many gallons of 90...

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