Mathematics, 24.06.2019 21:30, nanakwameyeb

One tamk of gasoline has an octane rating of 140 and another tank of gasoline has an octane rating of 80. to obtain a mixture of 60 gallons with an octane rating of 120, how many gallons should be used from the tank with the octane rating of 80?

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One tamk of gasoline has an octane rating of 140 and another tank of gasoline has an octane rating o...