Mathematics, 10.12.2021 01:00, natalie857123

Your new smart car runs on a mixture of ethanol and gas. It has a 15 gallon tank to fill. You can buy two types of fuels, one that is 30 percent ethanol and another that is 80 percent ethanol. How much of each type of fuel should you use so that the mixture is 40 percent ethanol?

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Your new smart car runs on a mixture of ethanol and gas. It has a 15 gallon tank to fill. You can bu...