SOLUTION: How much water must be evaporated from 28 ounces of a 5% salt solution to make a 7% salt solution

SOLUTION: How much water must be evaporated from 28 ounces of a 5% salt solution to make a 7% salt solution

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Question 408285: How much water must be evaporated from 28 ounces of a 5% salt solution to make a 7% salt solution
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(final ounces of salt)/(final ounces of solution) = 7%
salt in 5% solution= ounces
Let = ounces of water evaporated from solution

8 ounces of water must be evaporated
check:

OK
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