To write: The description about how a gallon of 25% solution is added to an unknown amount of 10% solution to get a 15% solution.
Answer to Problem 26HP
A gallon of 25% solution can be added to 2 gallons of 10% solution to get a 15% solution.
Explanation of Solution
Write the 25% amount of a gallon of 25% solution as,
Consider that the amount of 10% solution be x . So, write the amount of 10% in x gallons 10% solution as,
Also, write the amount of 15% solution as,
Hence, a gallon of 25% solution can be added to 2 gallons of 10% solution to get a 15% solution.
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