Asked by Norm
                I buy 20 gallons of gas, 15 premium and 5 regular.  Regular gas is 20 cents cheaper per gallon.  I spend $42 total; what is the price of each type of gas?
            
            
        Answers
                    Answered by
            Reiny
            
    solve
15x + 5(x-20) = 4200
You must live in Utopia.
    
15x + 5(x-20) = 4200
You must live in Utopia.
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