Mathematics, 18.09.2019 15:20 rahulshahi7569
Anew automobile engine can run on a mixture of gasoline and a substitute fuel. if gas costs $ 2.75 $ 2.75 per gallon and the substitute costs 60 60 ¢ per gallon, what percent of a mixture must be substitute to bring the cost down to $ 2.00 $ 2.00 per gallon?
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Anew automobile engine can run on a mixture of gasoline and a substitute fuel. if gas costs $ 2.75 $...
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