Mathematics, 19.10.2020 14:01 genyjoannerubiera
Jacob owns a car that runs on a mixture of gasoline and ethanol. He can buy fuels that have 85% ethanol or 25% ethanol. How much of each type of fuel should she buy if she wants to fill her 20-gallon tank with a mixture of fuel that contains 50% ethanol?
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Jacob owns a car that runs on a mixture of gasoline and ethanol. He can buy fuels that have 85% etha...
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