SOLUTION: How many kilograms of water must be evaporated from 80kg of 20 percent salt solution to produce a 25 percent salt solution
please hurry and use system of equations
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Question 828883: How many kilograms of water must be evaporated from 80kg of 20 percent salt solution to produce a 25 percent salt solution
please hurry and use system of equations
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
w=amount of water to remove through evaporation;
p = percent concentration starting =20
T= percent concentration wanted as "target" = 25
m = amount of starting mixture = 80 kilograms
The variable as unknown is w.
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Either expression will work.
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Substitute the given values to finish finding the value for w. This is in kilograms of water to evaporate.
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