SOLUTION: How many gallons of gasoline that cost $2.60 per gallon must be mixed with 90 gallons of gasoline that costs $3.10 per gallon to make a mixture that costs $2.70 per gallon.
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Question 217586: How many gallons of gasoline that cost $2.60 per gallon must be mixed with 90 gallons of gasoline that costs $3.10 per gallon to make a mixture that costs $2.70 per gallon.
I have figured the problem out but I am struggline how to make this into an algebraic equation.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
(2.60)(x) + (3.10)(90) = (2.70)(x + 90)
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