Question

How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 25% ​antifreeze?

Answer 1

It is maybe 3 gallons

Answer 2

3 gallons.

Explanation:

If you add three gallons of water to 1 gallon of antifreeze, then there are 4 gallons total. That means that 1/4 of the solution is antifreeze, and 1/4 is equal to 25%.