# Algebra word problem

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How many gallons of a 10% salt solution must be mixed with 20 gallons of a 25% salt solution to produce a 20% salt solution? (Let "x" represent the total number of gallons in the container of 10% solution. Therefore, 20+x will represent the total number of gallons in the final container of 20% solution)

a.) Write an algebraic equation for this problem

b.) Solve the equation for the number of gallons needed (x)

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The expert writes an algebraic equation for word problems. A step by step solution is provided to explain the concept.

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How many gallons of a 10% salt solution must be mixed with 20 gallons of a 25% salt solution to produce a 20% salt solution? (Let "x" represent the total number of gallons in the container of 10% solution. Therefore, 20+x will represent the total number of ...

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