Problema Solution
What is the strength of a salt solution that contains 12 gallons of salt and 18 gallons of pure water?
Answer provided by our tutors
12 gallons of salt is 100% of salt
18 gallons of pure water is 0% salt
The percentage of salt in the salt and water mix is:
12/(12 + 18) = 12/30 = 0.4 or 40%.