SOLUTION: Tom wants to make 10 gallons of a 10% saline solution. He has 9 gallons of a 15% saline solution, and can get as much water as he needs. Can he make the 10 gallons of 10% solution?

Question 415858: Tom wants to make 10 gallons of a 10% saline solution. He has 9 gallons of a 15% saline solution, and can get as much water as he needs. Can he make the 10 gallons of 10% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I assume he doesn't have to use all of the 15% solution.
Let = gallons of 15% solution needed
Let = gallons of water needed
------------------
Salt in 15% solution =
(1)
(2)
------------
(1)
(1) gallons
and
(2)
(2)
Yes, he only needs 6.67 gallons of 15% solution
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