SOLUTION: What is the strength of a salt solution that contains 12 gallons of salt and 18 gallons of pure water?
gal. salt gal water
12
Algebra.Com
Question 13714: What is the strength of a salt solution that contains 12 gallons of salt and 18 gallons of pure water?
gal. salt gal water
12 18
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
before:
18*0.00 (no salt in pure water)
12*1.00 (100% of salt)
after:
30*x
so, 0 + 12 = 30x
--> x = 12/30
x = 0.40
so 40% salt solution.
jon.
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